問題詳情:
China's high-speed railways _____ from 9,000 to 29,000 kilometres in the past few years.
A. are growing B. were growing C. will grow D. have grown
【回答】
D
【解析】考查動詞時態。句意:*的商鐵在過去幾年中由9 000千米增長到29 000千米。由“in the past few years”可知此處應用現在完成時態。故選D。
知識點:動詞時態
題型:選擇題