He ....has just come........(come/just) home

She has ever seen ... going to work late

a. by

b. on

c. for

d. with

Gọi số học sinh là , ta có:

a chia 12;15;18 dư 7 

a - 7 thuộc bC(12,15,18)

12 = 2².3 ; 15 = 3.5 ; 18 = 2.3²

=> BCNN(12,15,18) = 2².3².5 = 180

B(180) = {0;180;360;540;....}

Vậy a thuộc {7 ; 187 ; 367 ; 547 ; .....}

Do 350 < a < 400 nên a = 367

Vậy số học sinh của đoàn diễu hành là 367 bạn

9.Write sentences about these people's approximate age.Use the expressions in the box

in his/her early... in his/her mid... in his/her late....

teens thirties forties fifties

sixties seventies eighties

Example:

Mrs.Lan was born between 1967 and 1969

-> In 2005,Mrs.Lan was in her late thirties

a,Mr.Giang was bỏn between 1962 and 1964

-> In 2005,Mr Giang....was in his early forties..........

b,Mrs.Kim Anh was born between 1927 and 1929

->In 2005,Mrs.Kim Anh.......was in her late seventies........

c,Mr.Van was born between 1986 and 1987

->In 2005,Mr.Van.......was in his mid thirties.........

d,Quang was born between 1986 and 1987

->In 2005,Quang......was in his late teens....

e,Mr.Hai was borm between 1949 and 1944

->.......In 2005, Mr Hai was in his early sixties ......

f,Mrs.An was born between 1918 and 1922

->.........In 2005, Mrs An was in her mid eighties.......

g,Mrs.Ngoc was born between 1947 and 1950

->.........In 2005, Mrs Ngoc was in her late fifties........

h,Mr.Vinh was born between 1966 and 1968

->........In 2005, Mr Vinh was in his late thirties....

10.Reand the conversation between a policeman and an eye-witness and then fill in each gap with one word from the box

jeans handsome wearing late old taller

earring look long shoes tall thin

Policeman: How.....old.....do you think the man was?

Eye-witness: Well,he was quite young.In his...late....twenties.I'd say.

P:And was he..tall....?

E:Yes.quite tall,..taller... than me anyway. He must be about 180cm

P:What about his build?

E:Well.he was rather....thin...Maybe a bit skinny

P:And what did he..look...like?

E:Not very....handsome.....He had dark hải,but I can't really remember if it was...long....or short

P:And did you notice what he was...wearing....?

E:Oh.yes.He was wearing.jeans....and a dirty sweater.And he was wearing sport....shoes....

P"Anything else?

E:No,I don't think so.Oh,wait.He had an...earring.....In his left ear.I'm sure

P:Righr,thank you,You;ve been very helpful

I. Cấu trúc:

II. Cách sử dụng:

III. Dấu hiệu nhận biết:

Ngày thứ 2 đội công nhân đó sửa được:

1,35+0,5=1,85 (km)

Ngày thứ 3 đội công nhân đó sửa được:

1,35-0,45=0,9 (km)

Trong 3 ngày đội công nhân đó sửa được:

1,85+0,9+1,35=4,1 (km)

mình nha bạn

https://www.hellochao.vn/ngu-phap-tieng-anh/insideoutside-indooroutdoor-indoorsoutdoors/?aid=c4ca1238a0b926821~c0609a617581MU

I. Rewrite

1. I will let you keep my bicycle till the weekend providing that you lock after it.

->If you........lock after it, I will let you keep my bicycle till the weekend..........

2. I'll tell you what happend so long as you don't tell anyone.

->If.........you don't tell anyone, I will tell you what happened.....

3. If you don't start working hard now, you won't be able to pass the final test.

->Unless you start working hard now,.....you won't be able to pass the final test.............

II. Rewrite

1. Monica's English is very fluent although she makes quite a lot of mistakes.

->Monica speaks English.......fluently although she makes quite a lot of mistakes..........

2. The film's ending is dramatic.

->The film ends.....dramatically............

3. He approaches thoughtfully to his work.

->He has a thoughtful.......approacher to his work........

4. My brother is very good at playing tennis.

->My brother plays..........tennis well..........