We were delayed at the airport. Otherwise, we_______ here by lunch time.

A. must be B. must have been

C. would be D. would have been

 

D

【解析】

試題分析：考查虛擬語氣。本題考查的是含蓄條件句，通過副詞otherwise否則，要不然表示條件。Otherwise=If we had not been delayed at the airport。根據(jù)前面的were表示與過去事實(shí)相反，所以主句中使用“情態(tài)動(dòng)詞+have done”。句意：我們?cè)跈C(jī)場(chǎng)被延誤了。要不然，我們就會(huì)在午飯之前到達(dá)這里。故D正確。

考點(diǎn)：考查虛擬語氣

 

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