43. They can't work. They are too sleepy.
a. When they are too sleepy, they can't work.
b. Because they can't work, they're too sleepy.
c. They are too sleepy that they can't work.
d. They are too sleepy to work.
d
Bạn đang xem 43. - 70 DE THI CHUNG CHI B TIENG ANH
