i know that he ............in the library at this moment

A works B has worked C is working D was working

2 there are a lot of black clouds in the sky . It ........soon

A is raining B will have rained C is going to rain D will rain

3 Tom and I ..........to Mary 's birthday party together

A am going B are going C will go D go

4 i ...............our teacher tomorrow , so i shall give him your not

A have seen B going to see C shall have seen D am seeing

5 our class ................a pinic at Thay pagoda this sunday

A am having B will has C is going to have D go to have

6 look! the bus ...............

A will come B is coming C will be coming D is going to come

7 the firework display , part of the city's centenary celebration,...............place on the 21st August in Cannon Park

A will take B is taking C is going to take D takes

8 look at those cars! they..............!

A will crash B are crashing C will be crashed D are going to crash

9 Hurry . The next bus...................at 7:15

A leave B leaves C is leaving D will leave

10 you are very excied about going on holiday to Thailand . what do you say to your friends ?-" Next sunday i .....to Thailand"

A will fly B have flown C fly D am flying

11 we ............at 10 o'clock tonight

A meet B will meet C met D are meeting

12 It's easy ............friends when you're on holiday

A to make B will make C make D made

1we took many picture although the sky was cloudy

in spite of.....................

2 because the room was small , we couldn't live in it

because of.................................

3 he still passed the exam although he made many mistakes in his writing

in spite of.................................

4 i will buy a new hat . I'll give you this one

if...........................

5 you will work hard . You will pass your examination

if.....................

if you don't eat anything , you will be ill

you will............................

Rewite the following sentences, beginning with the words given at the first

1 i bought a cell phone . I can use it to send and receive e-mail ( using who /whom/which /that)

\(\)I......................................................

2 I apologized to he woman .I spilled her coffee (using who/whom/which/that)

I...............................

3 some documents have been found . They were stolen from a car( using who/whom/which/that)

some...............................

4 my roommate has never been on the internet . she is afraid of computer(using who/whom/which/that)

My.......................

5 John is always late for class . This annoys the teaching(using "which" as connector

We.................

6 Oanh works very hard and always gets food mark . This please her parents a lot("using " as connector)

Oanh.........................

use the correct forms off the verbs in brackets

1 where have you been ? i have been trying (phone) .........you for nearly an hour

2 Tom regrets (spend) .........too much time playing computer games

3 they don't allow me (talk).......... here

4 he went on (speak) .........for two hour

5 my father permits me (go)...........to the party

6 i arrived home and (find) .......that a thief (break).........in

7 by the time you (get) ..........her letter , she (arrive) .............in london

8 the blind(be) unable to see anything

9 when i was the child , i (use)........to fly a kite in the afternoon

10 Mai didn't come to class yesterday , which(surprise).........all of us

11 Mrs Quyen taught the mute, but now she (not,do) ...........it any more

12 Since last summer , i (not/keep) .........contact wwith Daisy

13 we(buy)...........a new house

14 why are you talking that big basket?.I (buy)...... a lot of vegetables

15 .........you(go).......to the cinema tomorrow?

16 nobody (write) ......to Norma since she left university

17 she(eat) .........the same food for three days

18 i(not have) ..........time to finish my work since sundy

19 Daisy is cooking food in the kitchen at present.She always(cook) .......in the morning

20 Lan usually(practice) ........speaking english

21 she (do) ..........her shopping yesterday

22 .......you(watch) ........tv last night

cho tam giác ABC . Gọi M là điểm thỏa mãn \(3\overrightarrow{MB}\) +\(\overrightarrow{MC}\) =\(\overrightarrow{O}\) và G là trọng tâm của tam giác ABC

a chứng minh \(\overrightarrow{MG}\)\(=\frac{1}{2}\)\(\overrightarrow{AC}\)\(-\frac{5}{12}\)\(\overrightarrow{AB}\)

b gọi K là giao điểm của 2 đường thẳng AC và MG . tính tỉ số \(\frac{KA}{KC}\)

tìm giá trị nhỏ nhất của hàm số y=x\(^2\) -4\(\sqrt{x^2+9}\)

C1 hàm số nào sau đây có tập xác định D=R ?

A y=2x+3 B y=\(\sqrt{x}\) C y=\(\frac{3}{x+1}\) D y=\(\frac{1}{x}\)

2 cho 4 điểm A,B,C,D thỏa mãn \(\overrightarrow{AB}\) =\(\overrightarrow{CD}\) . Khẳng định nào sau đây sai

A ABCD là hình bình hành B \(\overrightarrow{AB}\) cừng hướng với \(\overrightarrow{CD}\)

C \(\overrightarrow{AB}\) cùng phương với \(\overrightarrow{CD}\) D \(\left|\overrightarrow{ }AB\right|\) =\(\left|\overrightarrow{ }CD\right|\)

3 cho tam giác ABC . Hai vecto \(\overrightarrow{u}\) =(x+1)\(\overrightarrow{AB}\) _ \(4\overrightarrow{AC}\) và \(\overrightarrow{v}\)=\(3\overrightarrow{AB}\) _\(2\overrightarrow{AC}\) cùng phương khi giá trị của x bằng

A 6 B 5 C 7 D -7

4 số quy tròn đến hàng phần mười của số x= 3,16 là

A x=3,16 B x=3,0 C x=3,1 D x=3,2

5 cho tam giác đều ABC cạnh = a . ĐỘ dài vecto AB + độ dài vecto BC bằng

A a B 2a C \(\frac{\sqrt{3}}{2}a\) D \(\sqrt{3}a\)

thực hiền cho biết nguyên tố Natri chiếm 59 phần trăm về khối lượng trong hợp chất lưu huỳnh .hãy viết công thức hóa học và tính phân tử khối trong hợp chất của lưu huỳnh và Oxi ,lưu huỳnh chiếm 50 phần trăm về khối lượng . hãy xác định phân tử khối của hợp chất

CHOOSE THE BEST ANSWER

1 the friend to.......he was talking on the phone is english

A who B whose C whom D which

2 the letter........grandma was kept carefully in a box

A you wrote B which you wrote to

C to whom wrote D which wrote

3 Sue lives in the house . The house is opposite my house

A Sue lives in the house which is opposite my house

B Sue lives in the house who is opposite my house

C Sue lives in the house and which is opposite my house

D Sue lives in the house where is opposite my house

4 Computers cannot operate without the programmes,............are often called software

A which B that C in which D with which

choose the best answwer

1 the computer, .............hard disk has just been upgraded , is among the latest genarations

A that B whose C of which D which of

2 the girl......me this gift is my best friend

A presented B was presented C presenting D be presenting

3 he lent me many picture- books , most of........i had read

A whom B who C whose D which

4 Don't drink too much beer,.........will make us fat

A which B when C who D whom

5 why do you alwways believe in everything......he says?

A who B which C when D that

6 there are a lot of people at my friend's wedding party , only a few of..........i hadd met before

A who B whose C whom D which

7 Aberdeen, my brother lives , is a town in Scotland

A where B WHICH C WHOSE D WHEN

8 my parents live in the same house........they bought 50 years ago

A that B WHICH C where D A and C

9 August is the month .......i alwways give my birthdat parties

A which B in which C what D why

10 the people to.....she was speaking didn't know German

A who b WHOSE C that D whom

11Sundy is the day .......most of the Christians usually go to church

A in which B when C that D at which

12 Joyce Bews,.............was born and grew up in Portsmouth on the south coast of England,.........she still lives , was 100 last year

A that/in which B who /where C that/where D whom/where

13 According to the research,the time at .......most road accidents happen is early evening

A when B which C whose D that

14 the girls anđ the flower s........he painted were vivid

A who B which C whose D that

15 we go to school regularly,........

A that makes our teacher happy B which makes our teacher happily

C it makes our teacher happy D which makes our teacher happy