The president of the USA around the Palace Museum last month.A．has showed

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The president of the USA around the Palace Museum last month.

A．has showed	B．showed
C．was showed	D．has been showed

答案

解析

试题分析：句意：美国总统上个月被带领参观了故宫。Show around“带领…参观”，show和主语The president of the USA是被动关系，因此要用被动语态。时间状语是last month，因此要用一般过去时。故选C。

举一反三

—Excuse me! You can’t take photos here．Look at the sign. It says “NO PHOTOS”．
— Sorry，I _________ see it and I _______ do it.

A．didn’t; won’t	B．don’t; won’t
C．won’t; won’t	D．don’t; don’t

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—Hurry up! The concert for ten minutes.
—OK. I’m coming.
A. has begun B. has been on C. has put on.

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My Old Classmate also mentioned some important events that _______ from 1993 to 2013.

A．had happened	B．was happened
C．happened	D．has happened

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Robert is away. He _______ America since last week.

A．has been to	B．has joined a club in
C．has studied in	D．has become a manager in

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—It’s dangerous to swim here. Look at the sign!
—Oh, I _______ it.

A．didn’t notice	B．don’t notice
C．hadn’t notice	D．haven’t notice

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