【題目】We are still at the airport．If it weren’t for the delayed flight, we _______ the concert right now．

A．can be enjoying B．must have enjoyed

C．would be enjoying D．should have enjoyed

【答案】C

【解析】

試題分析：考查虛擬語氣。表示與現(xiàn)在事實相反的虛擬語氣常用結(jié)構(gòu)為：條件從句中的動詞為were或動詞的過去式，主句動詞為would/should/could/might+動詞原形，根據(jù)前句可以判斷應(yīng)該采用現(xiàn)在進行時，句意：我們?nèi)匀辉跈C場，如果不是因為飛機延誤，我們現(xiàn)在應(yīng)該正在享受演唱會， 故選C。

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