【題目】Over the last few years, the number of students participating in volunteer programs _______ sharply in our school.

A. was increasing B. has increased

C. had increased D. increased

【答案】B

【解析】

試題分析：句意：在過去幾年里，我們學校參加志愿者活動的學生的數(shù)量急劇上升。A. was increasing過去進行時；B. has increased現(xiàn)在完成時；C. had increased過去完成時； D. increased一般過去時。Over the last few years是現(xiàn)在完成時的標志詞，所以選B。

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