7. The office may be closed , so Mark won't be able to get in

-> If the office ..........................................................

what you (do) ___--- if she refuses your invitation

sử dụng unless thay cho ì

1, if you are not careful , you will cut yourself with that knife

If she had asked you , you( accept)?

What you (do) if you found a burglar in your house ?

If I tell you a secret , you (promise) not to tell it yo anyone else?

Bài 1: chia động từ trong ngoặc

Bài 2: make conditional sentences according to the facts provided

1. why don't you study hard ?

2. Why don't you stop smoling ?

3. The fridge keeps the food from spoilling.

Anh Minh giúp em với

tính

8x^n-1 .(\(\dfrac{1}{2}\)x^n-1 - \(\dfrac{3}{4}\)x)

Tìm x

a. 3x.(2x-4)-2x.(2x+5) = 41

b. x.5-3x+3x.x+1 = 40

Ai đó giúp mk vs

1. _______the traffic was bad , I drrived on time

A. despite ...................B. In spite of.............C.However..................D.Although

2. I takes me two hours _________that letter

A. two write ..............B.write ...................C.writting.............D. for writting

3. I'm tired of ___________ nothing to do at home

A.to have ...........B.have .........C.having.........D.had

4. i am sure i locked the door . i clearly remember __________it

A,to lock ..............B.to have locked .............C.locking .............D.lock

5. The energy consumption _________as much as possible

A.will reduced ..............B.will be reduced............C. be reduced ................D.reduced

find the words which has a diferent stress pattern

1.

a.exist............................... b . avoid............................c.support ......................d.notice

2.

a. hungry .................b.disease ..................c.spacious ...................d.dangerous