There is only one student in the classroom __________ his lesson.
A. prepares
B. was preparing
C. to prepare
D. preparing
There is only one student in the classroom __________ his lesson.
A. prepares
B. was preparing
C. to prepare
D. preparing
Đáp án C
(Rút gọn mệnh đề quan hệ với các từ chỉ tính duy nhất, số thứ tự…: only, first,…)
->D : preparing
#good_luck