It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

It is the recommendation of many psychologists that a learner ought to use mental images to associate word and remember them.

A. recommendation

B. ought to use

C. to associate word

D. remember them
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Đáp án: B thành “see”
Giải thích: Cấu trúc câu giả định: It + be + n (recommendation, importance …) + that + S + Vinf.