Đáp án: C
Gải thích: hear + O + V: nghe thấy toàn bộ hành động, toàn bộ sự việc diễn ra từ đầu đến cuối
hear + O + V-ing: nghe thấy việc gì đang diễn ra rồi chứ không rõ cả quá trình
=> I can hear a cat scratching at the window.
Tạm dịch: Tôi có thể nghe thấy tiếng mèo cào ngoài cửa sổ.
Đáp án cần chọn là: C
Choose the best answer. I can hear a cat __________ at the window.
A. Scratches
B. To scratch
C. Scratching
D. Was scratching
Choose the best answer.I always hear you ______ with your sister. What’s wrong between you?
A. Argue
B. to argue
C. argued
D. Arguing
Choose the best answer.I can watch TV and play computer games on Sunday because I _____ go to school that day.
A. don’t have to
B. oughtn’t to
C. mustn’t
D. shouldn’t
Choose A, B, C, or D that best completes each sentence. You can choose to study online or on _____ in the UK or even at an overseas site.
A. the ground
B. board
C. the move
D. campus
Choose A, B, C, or D that best completes each sentence._____one end of the rope to his bed, he threw the other end out of the window.
A. Tie
B. Tied
C. Tying
D. Having tied
Choose the best answer.I ______ go home now to finish my homework.
A. Must
B. have to
C. can
D. May
Choose the best answer.I ______ stay overnight at my friend’s house. My parents are very strict about this.
A. shouldn’t
B. don’t have to
C. mustn’t
D. oughtn’t to
Choose the best answer.I really regret _____ your feeling when I asked you such a silly question.
A. Hurt
B. to hurt
C. hurting
D. Hurts
Choose A, B, C, or D that best completes each sentence.
Question: The boy_____ his sight due to the accident at the age of nine.
A. loses
B. lost
C. has lost
D. was losing
