【題目】I was surprised to find the snack shops around the school empty; the students everything!

A.had been buying B.had bought

C.have bought D.have been buying

【答案】B

【解析】

試題分析：考查時態(tài)辨析。根據(jù)句意是過去某一時間之前已經(jīng)完成的事情，故采用過去完成時。句意：我驚訝地發(fā)現(xiàn)學(xué)校周圍的零食店都已經(jīng)空了；學(xué)生們買完了所有的東西。根據(jù)句意可以判斷， 故選B。

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