The children are having a good time, ______ with sand, others with toys．A．some o

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The children are having a good time, ______ with sand, others with toys．

A．some of them playing	B．some of them are playing
C．some of them	D．who playing

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举一反三

These rivers should be prevented ___________.

A．to be polluted

B．from being polluted

C．polluting

D．being polluted

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Mary has always been doing well in that company. Tomorrow she will go on a trip to Europe, ______________.

A．all expenses paid	B．all expenses paying
C．paying all expenses	D．paid all expenses

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.
.The meeting________because of the heavy rain,many officers went home in a hurry.
A was cancelled B had been cancelled C having been cancelled D having cancelled

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.
_____ in an atmosphere of simply living was what her parents wished for.

A．The girl to be educated	B．The girl educated
C．The girl’s being educated	D．The girl was educated

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Most of the problems ______, he has a tight schedule every day.

A．remaining unsettled	B．remained unsettled
C．remaining unsettling	D．remained unsettling

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