I have known her ………..two years.
A. with
B. for
C. since
D. in
Đáp án B
Giải thích: trong câu có thời hiện tại hoàn thành, for + khoảng thời gian.
Dịch: Tôi đã biết cô ấy đc 2 năm.
It _______that learning a foreign language_______a lot of time.
I'll pay you double _______ you get the work finished by Friday.
She gave him a _______ look. “Are you really sure?” she demanded.
If the product doesn't work, you are given the _______ of a refund or a replacement.
The company needs to reduce its _______ on just one particular product.