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He often takes this road to avoid ______ the troublesome boy.

A．to meet           B．meeting           C．to meeting         D．to have met

The war made ______ impossible for the scientist to go on with his research.

A．him              B．it                C．this              D．that

Mother, together with her children , ______ to the hospital.

A．were sent         B．a(chǎn)re sent           C．was sent          D．have been sent

Tom's shoes looked just the same as Mike's, but they cost _______ his.

A．a(chǎn)s much twice      B．twice as much as    C．much as twice as    D．a(chǎn)s twice much as

I've never seen a Shakespeare's play ______ so wonderfully.

A．performing        B．performed         C．perform          D．is performing

It is high time, I think, that you got down to ______ something in class.

A．do               B．did               C．doing             D．does

Look, what a dirty classroom we have got! It really wants ______.

A．clean             B．cleaned           C．cleaning          D．to clean

Mr. Smith, _______ of the ______ speech, started to read a novel.

A．tired, boring       B．tiring, bored       C．tired, bored        D．tiring, boring

They looked at each other, ______.

A．Astonishing        B．a(chǎn)stonished         C．to astonish         D．a(chǎn)stonishingly

—Excuse me. Is this the right way to the Summer Palace?

—Sorry, I am not sure, but it ____ be.

A．must             B．can              C．might             D．will