While watching television. .? A.the doorbell rang? B.the doorbell rings? C.we he
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While watching television, .?
A.the doorbell rang? B.the doorbell rings?
C.we heard the doorbell ring? D.we heard the doorbell rings
试题答案
C
因为题干使用了watching,可以推断该句主语为人,排除A、B两项。又因为hear是感官动词,其后要使用动词原形作宾语补足语,所以D项不对。