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Date: ngày tháng
Time: giờ phút ~ giờ phút
Name: ______________________

UNIT 15: SPACE CONQUEST

A. Pronunciation
I. Choose the word that has the underlined part pronounced differently from that of the others
1. a. speedy b. friend
c. telephone d. ready
2. a. think b. this c. that d. there
3. a. document b. technology
c. spacious d. chemistry
4. a. travel b. space
c. accommodate d. survey
II. Choose the word that has main stress placed differently from the others
1. a. population b. available
c. university d. education
2. a. expert b. control c. limit d. injury
3. a. celebrate b. decorate
c. entertain d. influence
4. a. orbit b. amount c. outer d. spacemanCF171b

B. Could and be able to
( Để nói về khả năng hoặc cơ hội trong quá khứ, chúng ta có thể dùng “could” hoặc “was / were able to”.
_ When I was young, I could / was able to climb any tree in the forest.
( Khi nói rằng khả năng hoặc cơ hội đó dẫn đến 1 hành động cụ thể, sự việc thật sự xảy ra, chúng ta dùng “was / were able to” (không dùng could)
_ The drivers were able to stop before they crashed each other.
( Hãy so sánh:
a. John could beat Bill in the boxing competition.
(John có thể đánh bại Bill trong cuộc thi Boxing)
_ Could: trong câu này đưa ra 1 lời dự đoán trước trận đấu.
b. John was able to beat Bill in the boxing
(managed to beat
succeeded in boxing)
competition.
(John đã đánh bại được Bill trong cuộc thi boxing)
_ was able to V trong câu này diễn đạt sự thành công sau trận đấu.

crash (v) /krva đụng

CF172a CF 172

Choose the best answer
1. I looked everywhere for the cat, but I _______ find it.
a. could b. was able to c. couldn’t d. can’t
2. The plane _______ take off at eleven o’clock because the fog was heavy.
a. was able to b. could
d. couldn’t d. can’t
3. The train was full. I _______ find a seat anywhere.
a. wasn’t able to b. can’t
c. could d. a and b
4. My father was good at English. He _______ speak it fluently.
a. is able to b. could
c. were able to d. can
5. My teacher _______ speak English well.
a. could b. are able to
c. were able to d. b and c
6. My grandfather loved music. She _______ play the piano very well.
a. could b. was able to
c. can d. a & bCF172b

C. Tag _ questions (câu hỏi đuôi)
( Các qui tắc :
1. Trường hợp câu phát biểu là câu xác định thì câu hỏi đuôi sẽ là câu phủ định và ngược lại.
_ He is not good at English, is he?
_ He likes coffee, doesn’t he?
2. Dạng phủ định của câu hỏi đuôi luôn được viết ở dạng rút gọn.
a. to be:
_ are not ( aren’t
_ is not ( isn’t
_ was not ( wasn’t
_ were not ( weren’t
* Đặc biệt: am not ( aren’t
_ I am famous, aren’t I?
_ He was happy, wasn’t he?


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Modal verbs
_ can not ( can’t
_ will not ( won’t
_ shall not ( shan’t
_ may not ( mayn’t
_ ought not ( oughtn’t …
_ You should study harder, shouldn’t you?

Complete the sentences with the correct tags
_ You were late for