-----Is this the first time you______ Chengdu?
-----No. But the first time I______ here, the city wasn’t so beautiful
A．visited; cameB．visited; have come
C．have visited ; have comeD．have visited; came
D
考察時態(tài)。第一空是固定句型，this is the first time后面的句中使用現(xiàn)在完成時。第二空是指第一次我到那里的時候，是一個過去的時間，故使用過去時。故D正確。
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