7．It was the first time Mary _____ such a big opening ceremony．（　　）
A．has attendedB．attendedC．had attendedD．should attend

分析 這是瑪麗第一次參加這樣的開幕式．

解答 答案是C．
本題考查句型"It's the first time that"．該句型中從句的動詞必須要現(xiàn)在完成時，但是如果把句中的is改成was，從句中必須要過去完成時．由此判斷答案是C．注意區(qū)分：如果沒有序數(shù)詞，這時就應(yīng)該是句型"It's/was time that"，這時從句中往往用過去時，也可以用"should+動詞原形"．

點(diǎn)評 本題考查時態(tài)．注意根據(jù)具體語境選擇時態(tài)，此外關(guān)注固定句型．

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