【題目】一Do you think grandpa and grandma late？

—No,the train is usually on time.

A. were B. will be C. was D. have been

【答案】B

【解析】句意：——你認(rèn)為爺爺奶奶會遲到嗎？——不，火車通常是準(zhǔn)時的�？疾閯釉~時態(tài)題。根據(jù)句意和語境，火車還沒到，問句需用將來時，故選B。

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