【題目】Look!Half of the students ________ studying in the classroom right now.

A. is B. are C. was D. were

【答案】B

【解析】

句意看!一半的學(xué)生現(xiàn)在在教室里學(xué)習(xí)。由lookright now可知時態(tài)為現(xiàn)在進行時。排除C/D;“half of +名詞”結(jié)構(gòu)做主語,謂語動詞的單復(fù)數(shù),取決于后面名詞的單復(fù)數(shù)。因為Half of the students后面的名詞students是復(fù)數(shù),因此謂語動詞用are。故選B。

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