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
Nếu bạn cần bất cứ thứ gì xin vui lòng đừng ngần ngại hỏi người nào đó đầu tiên.
If you ever need anything please don't hesitate to ask someone else first.
Kurt Cobain
