Put the verb in brackets into the correct tenses. Điền động từ trong ngoặc đơn ở vào đúng thì.

1. You can use my hand phone if yours (not work).

2. If you (not know) the meaning of a word you may use a dictionary.

3. If Henry (refuse) to help I'll have to manage without him.

4. If Janet (not help) I'll have to manage without her.

5. If you (go out) would you buy me some cigarettes.

III. Complete the sentences with suitable subordinators from the box 

although - as soon as - because - before - so that - while

1. The children are very excited ______ they’re going to visit a craft village this weekend.

2. We will tell Alice about the trip ______ we meet her.

3 ______ . it rained a lot, they enjoyed their holiday.

4.I bought a new pair of glasses _____ I can see better.

5. ______ I go out tonight, I will have to finish this essay.

6. Phong burnt his hand ____________ he was cooking dinner.

7. Laura always gets up early every morning _____ she’s not late for her work.

8. Mr. Harrison seems to have a lot of money _____ he lives in a luxurious house.

9. ____ I was waiting for the bus, I saw some foreign tourists.

10. They didn’t win the game _____ they played very well.

Tìm giá trị nhỏ nhất của hàm số \(f\left(x\right)=x+2\text{/}\left(x-1\right)\) với \(x>1\)