Ba ông hài là 2 ông bà 

nhé

1. Have you ever seen a painting of Picasso yet ?
of=> by
a painting by sb: bức họa vẽ bởi ai
2. “ Do you think anyone saw us ?” she told nervously.
told=> tells
HTĐ (do là TĐT của thì HTĐ)
3. The plays writing by Shakespeare are very popular in the world.
=> written
Câu bị động- Quá khứ phân từ
4. The employer said that he would give them a two – day trip to Phu Tho next week.
next=> the following
Đổi trạng từ chỉ thời gian trong câu gián tiếp
5.My sister is studying very hard in order to pass the exam and getting scholarship at university.
getting => to get
In order to do sth: để làm gì
and nối pass với get

x + 167 + 628 -172 = 4784

x + 795 = 4784 +172

x + 795 = 4956

          x = 4956 - 795 (TSH)

          x = 4161

x = 4784 + 172 - 628 - 167

x = 4161

1,Put the verbs in brackets in their correct form

1, If we (not) _don't__ on electricity, there will be power cuts
2, I hope he (finish) _will have finished_ his homework before we (get)_get__ back
3, If we sit too far away from the screen I (not be) _won't be__ able to see the film
4, Listen to those people! What langauge they (speak)_speaking__?
5,It is an awful fim. It (be)_is__the worst film that I ever (see)_have seen__
6,Khanh usually (play)__plays__ football with his friends after school, but yesterday he (not play )_didn't play__ as he was tired
7,After three days of rain, I'm glad the sun (shine)__is shinning_ again today
8, I know from my experience that (gain)_to gain__ a good knowledge of a foreign language, one must work hard at it every day.
9, I (repaint) _have repainted__ the walls. They lock great! The room (be)__is_ much lighter now.
10, Someone (steal) _will steal__ your car if you leave it unlicked
11, If he (wash) _washes__ my car , I'll give him .
12, They'll be very angry if she (make)_makes__ any more mistakes
13, If you are late, they (not let)__won't let_ you in.
14, If lend you 10$, when _will__ you (repay)__repay__ me?
15, If I find your passport, I (telephone)__will telephone__ you at once
16,He will ruin his eyes if he (read)__reads__ in bad light
17, If I tell you a secrect, __will_you (promise)_promise__ mot to tell it to anyone else?
18, If I see him, I (give) _will give__him a lift
19, If he (be) _is__ late, we'll go without him

2,Give the correct form of the words in brackets to finish the letter

Dear Kay,
Isabella and I are having the (good)__best_ holiday of our life! We are in Vinabliss Resort, one of the (lovely)_most lovely_ islands in the Eastern Sea. Although it is much (small)_smaller__ than Vinaland, there seems to be (much)_more__ to do than in Vinaland. Moreover, the people here seem to be (friendly)__more friendly_ than those on other islands. We are staying in the (modem)_most modem__ hotel I have ever seen. It is far(comfortable)_more comfortable__ than any other and it is even (big)__biggest_ than the world-famous Calton hotel .The (near)_nearset__ beach is (little)_less__ than a hundred metres away, so we can swimin a lot. It's really good and I want you to be here with us.
Love,
Maltida

3,Choose a suitable word from the box put in each blank to finish the passage

Much of our waste, especially waste (1)_from__ factories, electric-poweres stations, the chemica indusrty and heavy industry, is very dangerous. Fish die (2)_in__ the lakes, rivers and seas; forest trees die, too. Much of this dangerous (3)__waste__ goes into the air and is carried by the (4)_wind__for great distances.
The Earth is our home. We (5)_should__ take care of it, for ourselves, and for our children and grandchidren. This (6)_means__ we have to keep our enviroment (7)__green_ and clean. The importance of this task is pointed out by ecologists-the scientists (8)_who__ study the relations between living things and the enviroment . (9)_However__, each of us must do everything (10)_possible_ to keep the land, air and water clean

4, Join the pairs of sentences, using the suggestions given in brackets

1, I must ring john. i won't forget, I hope.
I hope I won't forget to ring John.
2, His uncle helped him. He was able to finish his course.
Because his uncle helped him, he was able to finish his course.
3,I think we should go ahead. No one disapproves of the plan.
As no one disapproves of the plan, we should go ahead.
4, It was raining heavily. They continued to play tennis.
Although it was raining heavily. they continued to play tennis.
5, "Ambulance" is written backwards. You can read it in the mirror
"Ambulance" is written backwards, so you can read it in the mirror

3/8 hapynewyear

đây mới co lớp 4 thôi thật luôn

1, We want (pay)__to pay__ better wages

2, He thinks that it (rain)_raining___ tonight
3, she kept me (wait)___to wait__ out side for two hours
4, the teacher ordered us (keep) ___to keep__ silent
5, the girl (sit) _sitting___ next to me is the best student in my class

At school we often has -> have four classes in the morning (in the afternoon we aren't -> don't go to school). After each class we have a ten minute -> ten-minute (phải có gạch nối) break. It's time for recess. After a hard lesson, this time is very importance (n) -> important (adj). We are all happy and exciting (dùng cho vật) -> excited (dùng cho người). We can meet our friends and have fun. During the recess, the yard and classrooms is -> are very noisy. Many students sit and chatting -> chat. Some eat or drink. Some play marbles or swap cards. This -> these activities only stop when the bell ring -> rings. Then all the students go into they -> their classroom and begin new lessons.

Square: Vuông

Rectangle: Chữ nhật

Triangle: Tam giác

Parallelogram: Bình hành

Circle: Tròn

Volume: Thể tích

Cube: Lập phương

Rectangular prism: Hộp chữ nhật

Cone: Cái nón

Cylinder: Hình trụ

Sourrounding area: Diện tích xung quanh

Total charge: Diện tích toàn phần

A surface charge: Diện tích một mặt