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Look!One of the children _____ in the river.

A．was swimming

B．is swimming

C．a(chǎn)re swimming

D．were swimming

 

The teachers always complain about         the         children in class.

A．to teach, tired	B．teaching, tired
C．teaching, tiring	D．to teach, tiring

—Look at the children in the lake. They are playing happily Let’s _____,too.

—Good idea!

A．go hiking

B．go camping

C．go boating

D．go sightseeing

 

The teachers always complain about         the         children in class.

A．to teach, tired	B．teaching, tired
C．teaching, tiring	D．to teach, tiring

 

They decided ______ for the children in Yunnan earthquake area.

   A. do something  B. to do something C. doing anything  D. done anything