The doctors are doing all what they _______, but she's still not breathing properly.
A. can
B. could
C. shall
D. might
Giải bởi Vietjack
Đáp án A
Giải thích: can: khả năng có thể làm gì
Dịch: Bác sĩ đã cố gắng hết sức, nhưng cô ấy vẫn chưa thở được đều.
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.
