1. Were the salary high, the job would be worth doing.
2. Were I to be sent to prison, would you visit me?
3. Had I seen the signal, I would have stopped.
4. Were I rich, I could...
5. Were I you, I would...
6. Were he not busy right now, he could...
7. Had she said sorry, he would noy...
8. Had the computer not broken down, I wouldn't have...
9. Had he not been angry, I would...
10. Had his friend not been late, they...

a) `3-(17-x)=-12`

`3-17+x=-12`

`x=-12-3+17`

`x=2`

b) `-26-(x-7)=0`

`-26-x+7=0`

`-19-x=0`

`x=-19`

c) `25+(-2+x)=5`

`25-2+x=5`

`x=5-25+2`

`x=-18`

d) `30+(32-x)=10`

`30+32-x=10`

`62-x=10`

`x=52`

x,y tỉ lệ thuận `=> y=k.x <=> 6=k.(-3) <=>k=6:(-3)=-2`

`=>` A.

`45.(-24)+(-10).(-12)`

`=-(45.24)+10.12`

`=-1080+120`

`=`960`

1. performance

2. cultural

3. celebration

4. exciting

5. amazed

`-(-3);-1;-97;-101`

21. B
22. A
23. C
24. D
25. often
.
1. I was sick, so I didn't go to school.
2. You should eat less meat and more vegetables.
3. His hobby is playing computer games in his free time.

1.A
2. D
3. D

C

14. It + takes + khoảng thời gian: làm cái gì tốn bao nhiêu thời gian

15. Dựa vào nghĩa của câu và của từ.

16. Không có so sánh -> Loại A.

"books" ở dạng số nhiều -> Chọn C.

17. Dựa vào nghĩa.

18. raise fund: gây quỹ (collocation)

19. Dựa vào nghĩa.

20.  "gone" -> đã đến, chưa trở về.

"been" -> đã đến, đã về.

21. Bị động QKĐ.

22. What about + V-ing.

23. Would you like + to-V.

24. different + from: khác với