III. Supply the correct form of the words in brackets.

21. effectively : một cách hiệu quả

22. electrician : thợ điện

23. Ultimately : cuối cùng

24. natural : thuộc về tự nhiên

25. consumer : khách hàng

PART D: WRITING

I. Rewrite the following sentences in such a way that it means the so the sentence given.

1. I haven't seen Nam for 3 years.

Cấu trúc : 

It's + khoảng thời gian + since + S + last + Vp2/ed

= S + have/has + Vp2 + for 

2. Carol told Peter not to make so much noise.

Cấu trúc :

 tell + so + to V/ not to V : yêu cầu ai đó làm gì/ không làm gì 

3. It's very important to keep the environment clean.

Cấu trúc : 

It's be + adj + to V

4. Mrs Hoa suggested that Nam should turn off all the lights before going out.

Cấu trúc : 

suggest + that + S + should + V(nguyên mẫu)

5. How about planting some trees around your house to get fresh air?

Cấu trúc : 

How about + Ving (câu mời) 

II. Complete each of the following sentences, using the words given.

41. If it doesn't rain tomorrow, I will go camping with my friends.

42. If I met an alien from outer space, I would invite her it to my home and to talk.

43. I have never travelled by air.

44. The students are studying for exam now.

45. It was such a cold day that we decided not to go out.