UNIT 15: SPACE CONQUEST
LANGUAGE FOCUS (TRỌNG TÂM NGÔN NGỮ)
Grammar and Vocabulary
Exercise 1. Dùng could/couldn ’t hay was / wasn't able to để hoàn tất câu.
ĐÁP ÁN
1. couldn’t / wasn’t able to
2. was able to
3. could / was able to
4. was able to
Đây là một thế giới tàn nhẫn, và người ta phải tàn nhẫn để đối phó với nó.
This is a ruthless world and one must be ruthless to cope with it.
Charlie Chaplin
