Plant _______ is most noticeable in spring and early summer.
A. grow
B. grown
C. growing
D. growth
Đáp án D
Giải thích: cần danh từ làm chủ ngữ
Dịch: Sự phát triển của thực vật nổi bật nhất ở mùa xuân và đầu mùa hè.
It _______that learning a foreign language_______a lot of time.
I'll pay you double _______ you get the work finished by Friday.
If the product doesn't work, you are given the _______ of a refund or a replacement.
She gave him a _______ look. “Are you really sure?” she demanded.
The company needs to reduce its _______ on just one particular product.