1. You broke my necklace! You ….. been more careful!   
A. should have   B. must have
 2. I think James … got lost. He‟s never late    
A. might have   B. should have 
3. You‟ve been working non-stop for ten hours. You ……..be really tired now 
A. should B. must C. have to D. ought to 
4. The fortune teller predicted that _____________ inherit a big fortune before the end of this year
A. will B. she will C. would D. she would 
5. I‟m feeling very tired this morning. I _____________ have stayed up late last night 
 A. couldn‟t B. shouldn‟t C. mustn‟t D. can‟t 
6. You‟d better _____________ working so hard  
A. stop B. to stop C. stopped D. to stopping 
7. He helped her, but it was not necessary. He needn‟t _____________ her
A. help B. to help C. be helping D. have helped 
8. “_____________ you like to play a game of tennis?” “I‟d love to.”  
A. Could B. Will C. Do D. Would 
9. His letter is full of mistakes. He _____________ the mistakes carefully before sending it
A. must have checked         B. should have checked            C. could have checked  D. can have checked 10.  “I bought two bottles of milk.” “You _____________ have bought milk; we have heaps of it in the house.”  
A. couldn‟t B. needn‟t C. mustn‟t D. hadn‟t 
11. “I left my bike here and now it‟s gone.” “Someone _____________ borrowed it.” 
 A. must have B. should have C. couldn‟t have D. needn‟t have 
12.  “Did you remember to read about it in the newspaper?” “No, I didn‟t. I _____________ abroad at the time.”  
A. must have been       B. must be C. should be D. should have been 
13.  “The door was open.” “It _____________ been open. I had locked it myself and the key was in my pocket.”  
A. mustn‟t have B. must have C. can‟t have D. shouldn‟t have 
14. The man was found unconscious at the foot of the cliff. He _____________ have fallen 200 meters  
A. needn‟t B. must C. should D. mustn‟t 
15. “I heard their phone ringing.” “You __________heard their phone ringing. They don‟t have a phone.”  
A. cannot have B. shouldn‟t have C. mustn‟t have D. needn‟t have 
16. When I‟ve passed my driving test, I _____________ hire a car from our local garage
 A. will can B. must be able to C. can be able to D. will be able to 
17. When the fog lifts, we _____________ where we are  
A. could see B. will be able to see   C. must have seen D. are seeing 
18. You _____________ ring the bell; I have a key  
A. may not B. needn‟t C. mustn‟t D. couldn‟t 
19. You _____________ drink this; it‟s poison  
A. must B. needn‟t C. mustn‟t D. shouldn‟t
 20. Nobody knows how people first came to these islands. They ____________ have sailed from South America on drafts  
A. might B. must C. should D. had 
21. She felt ill and _____________ leave early  
A. has to B. must C. had to D. ought 
22. I want this letter typed, but you _____________ do it today. Tomorrow you will do 
 A. must B. needn‟t C. couldn‟t D. mustn‟t 
23. “Did you hear me come in last night?” “No, I _____________ asleep.”  
A. must be B. must have been C. should be D. should have been 
24. When I first went to England, I _____________ English, but I _____________ it  
A. can read / can‟t speak   B. can read / couldn‟t speak     C. could read / couldn‟t speak      D. could read / can‟t speak 
25. The car plunged into the river. The driver _____________ out but the passengers were drowned  
A. is able to get B. could get C. was able to get D. can get 
26. I got lost and _____________ ask a policeman the way  
A. have to B. must have to C had to D. would 
27. We _____________ reheat the pie. We can eat it cold
 A. needn‟t B. must C mustn‟t D. should have 
28. We _____________ forget to shut the elevator gates
 A. should B. must C. mustn‟t  D. needn‟t 
29. The swimmer was very tired, but he _____________ the shore before he collapsed 
 A. was able to reach       B. can reach C. could reach D. has reached 
30. If a letter comes for me, _____________ you please forward it to this address? 
 A. shall B. could C. must D. should 
31. The shops here don‟t deliver. We _____________ carry everything home ourselves  
A. might B. must C. have to D. used 
32. You _____________ talk to other candidates during the exam 
 A. shan‟t B. mustn‟t  C. needn‟t  D. hadn‟t better 
33. You had better _____________ your child so much money. It may spoil him 
 A. not give B. not to give C. to not give D. don‟t give 
34. Jeanette did very badly on the exam. She _____ harder
A. must have studied      B. could have studied    C. should have studied   D. must studied 
35. He was very lucky when he fell off the ladder. He _____ himself 
A. could have hurt    B. must have hurt     C. should have hurt       D. will have hurt 
36. Marcela didn‟t come to class yesterday. She _____ an accident 
A. should have had    B. must have     C. might have      D. may have had 
37. John still hasn‟t come out. He ______ everything for the trip now
 A. must have been preparing   B. must be preparing    C. will be preparing    D. will have prepared 
38. Thomas received a warning for speeding. He _____ so fast
 A. shouldn‟t have driven             B. should have     C. would have driven            D. might have driven 
39. The photos are black. The X-ray at the airport _____ them 
A. should have damaged    B. would have damaged     C. would damage               D. must have damaged 40. Tom didn‟t do his homework, so the teacher became very angry. He _____ his homework 
A. must have done     B. should have done     C. might have    D. will have done 
41. My car stopped on the high way. It _____ out of gas 
A. may run     B. must be       C. may have run       D. should have run 
42.  Robert arrived without his book. He _____ it. A. could have lost     B. would have lost     C. should have lost     D. will have lost
 43. “Where do you think Rooney was today?”. “I have no idea. He _____ late.” 
A. should have left     B. would sleep      C. would have sleep                 D. may have slept 
44. Berbatov painted his bedroom black. It looks dark and dreary. He _____ a different color 
A. had to choose       B. must have chosen     C. should have chosen     D. could have been choosing
 45. The children _____ “thank you” to you when you gave them their gifts 
A. will have said                 B. should have said                        C. must say               D. should say
 46. If we had known your new address, we _____ to see you 
A. came                      B. will come                 C. would have come                       D. would come 
47. These two boys look identical. They _____ twins 
A. must have been              B. should be                     C. must be                D. should have been 
48. Your house looks great. You ________spent a lot of time painting it
 A. must have  B. could have  C. should have  D. can have 
49. Michael went running in the rain. He……………gotten sick 
A. must have  B. could have  C. should have  D. can have 
50. It was so dark that I fell down the stairs. I ……………fixed the light 
A. must have  B. could have  C. should have  D. can have 
51. Patty…………….gone by bus. Why did she walk? 
A. must have  B. could have  C. should have  D. can have 
52. I called his apartment and nobody answered. He ………….gone out 
A. must have  B. could have  C. should have  D. can have 
53. You……………shoveled the front walk. It looks so clean 
A. must have  B. could have  C. should have  D. can have
 54. He…………stolen the car. He was with me all the time 
A. mustn‟t have  B. can‟t have C. shouldn‟t have D. mightn‟t have 
55. My bicycle is broken now. I ……………ridden it down the stairs
A. mustn‟t have  B. can‟t have C. shouldn‟t have D. mightn‟t have
mik cần rất gấp ạ

chắc chắn

1)

a) Phân tích các vế trong câu ghép sau:

"Giá những cổ tục lạc hậu đã đày đọa mẹ tôi là một vật như hòn đá hay cục thủy tinh, đầu mẩu gỗ , tôi quyết vồ ngay lấy mà cắn, mà nhai, mà nghiến cho kì nát vụng mới thôi."

b) Các vế vế của câu ghép vừa tìm được nối với nhau bằng cách nào? Xác định quan hệ ý nghĩa giữa các vế câu ghép ấy.

Mn giúp mik gấp ạ  

1) Cho tam giác ABC cân tại A có AH là đường cao 

a) Biết AB=8cm, BC=4cm. Tính diện tích tam giác ABC

b) Gọi N là trung điểm của AC. Tứ giác ANHB là hình gì?

2) Cho tam giác ABC cân tại A

a) Biết AB=10cm, BC=5cm. Đường trung tuyến AH. Tính diện tích tam giác ABC

b) Gọi M, N lần lượt là trung điểm của AB,AC. Tứ giác BMNC là hình gì?

Mn giúp mik vs bài này mik cần gấp!

Đặt mặt đáy hình trụ (cao 40mm, đừng kính 30mm) song song mặt phẳng chiếu bằng. Hãy vẽ hình chiếu đứng và hình chiếu bằng của hình trụ đó.

1.“ At 7p.m sharp” . The underlined word means “________”

A.exactly on time      B. incorrect           D. totally correct           D. nearly right

2. It’s the custom in that country ______ women to get married in white.

A. with                        B. in                            C. for                           D. at

3.“ Spot on” means “______”

A.exactly on time      B. incorrect           C. totally correct           D. nearly right

Mn giúp mik vs ạ!!!

Chọn câu đúng trong các câu sau:

A. Tứ giác có thể có 3 góc tù, 1 góc nhọn

B. Tứ giác có 3 góc vuông, 1 góc nhọn

C. Tứ giác có nhiều nhất 2 góc tù, nhiều nhất 2 góc nhọn

D. Tứ giác có thể có 3 góc nhọn, 1 góc vuông

Mn giúp mik vs ạ!!

Cân bằng oxi hóa khử theo phương pháp thăng bằng electron:

FeSO4 + H2SO4 đặc nóng -----> Fe2(SO4)3 + H2S + H2O

Ai giúp mik vs mik cần gấp ;-;

Hợp chất M tạo bởi 2 nguyên tố là oxi và nitơ. Người ta xác định được rằng tỉ lệ về khối lượng giữa hai nguyên tố trong M bằng mN:mO = 7:16. Biết phân tử khối của Mbằng 92 đvC. Viết công thức hóa học của M.

Mn ơi mik cần rất gấp nên mn giúp mik vs nhé!;-;