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Mark the letter A, B, C or D on your answer sheet to indicate the correct one to complete each of the following sentences.
A number of students ______ for a rise since last year.
- A. ask
- B. have asked
- C. has asked
- D. asked
trả lời câu hỏi trước khi xem đáp án bên dướiYOMEDIACâu 1 Đáp án đúng: B
Đáp án B
Có mốc since + mốc thời gian => sử dụng thì hoàn thành
A number of N được tính là danh từ số nhiều => sử dụng have chứ không sử dụng has.
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CÂU HỎI KHÁC VỀ THÌ CỦA ĐỘNG TỪ
- The film ______ by the time we ______ to the cinema
- My parents ______ tomorrow to stay with me for a few days
- Yesterday, I_____ for work late because I _____ to set my alarm
- He found a watch when he _____ in the street
- Has Paul come to terms with his examination results?
- By the end of this March he ______here for 20 years.
- This is the third time James ______ the volunteer program to the village
- My neighbor is a wildlife photographer. Over the years, she _______ many prizes
- I can’t believe that you ______ three pizzas already! I ______ them in fifteen minutes ago!
- I was tired when you saw me because I ____ for the exam
