I was very busy lately since the project of designing the new collection started.
A. was
B. since
C. the project
D. the new collection
Đáp án: A thành “have been”
Giải thích: Hiện tai hoàn thành + since + quá khứ đơn.
Unlike the old one, this new copier can perform their functions in half the time.
English, together with Literature and Maths, are compulsory subjects in the national curriculum.
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She only had a twenty-dollars bill with her when she landed at Healthrow airport.
Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.
It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.
Building thousands of years ago, the ancient palace is popular with modern tourists.
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I can’t find the letter I received from my boss some days ago. I might throw it into the waste paper bin yesterday.