Asisexpected,itwillbesomeyearsbeforetheflyovers(高架橋)in...

問題詳情：

 As is expected, it will be some years before the flyovers (高架橋) in Huai’an  ________into operation.

    A. will be put          B. are put          C. will have been put   D. have been put

【回答】

B

知識點：動詞時態與語態

題型：選擇題