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
Đôi lúc cũng cần thiết dừng chân trong cuộc hành trình theo đuổi hạnh phúc, và chỉ đơn giản là cảm thấy hạnh phúc.
Now and then it's good to pause in our pursuit of happiness and just be happy.
Guillaume Apollinaire
