Question 2:

1, C – to lift (Adj enough to V: đủ thế nào đó để làm gì)

2, D – studying (like + Ving: thích cái gì)

3, A – play (used to V: đã từng làm gì)

4, C – fluently (adv- trôi chảy)

5, A – from (to be different from: khác với cái gì)

6, B – on

7, A – for (for + khoảng thời gian)

8, B – himself

9, B – Yes. That’s very kind of you.

10, B – put (must + V: phải làm cái gì)

11, C – the best

12, A – more

13, D – last

14, B – has lived

15, C – rises

16, A – curly (adj – quăn)

17, B – invented

18, A – electrical

19, A – When

20, B – Hello, Hung.

21, A – necessary

22, D – Both B and C are correct

23, B – going (How about + Ving)

24, A – Do

25, C - Because

Mình trình bày trong hình nhé >~<