Intheexperimentwekeptawatchful

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In the experiment we kept a watchful eye ________ the developments and recorded every detail.

A．in	B．at
C．for	D．on

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Instead, he seemed to see Tom ’s face, with the wide smile he ______ whenever he told a joke.

A．wore

B．brought

C．appeared

D．carried

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----- I can ’t see the words on the blackboard clearly.
----- Why, your eyes need _____ perhaps you need _______ glasses.　

A．to examined, to wear	B．to examine ,to wear
C．to be examined, to wear	D．examining, wearing

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The typewriter _______ there all week.

A．was laying on the table, were it had laid 　

B．was lying on the table, were it had laid

C．was laying on the table, were it had laid 　

D．lying on the table, had been laid

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This is the plane _______ he went to Shanghai ______ business.

A．where, for a	B．by which, on the
C．in which, on	D．where, on

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______ that she should come here on time.

A．Suppose

B．Demand

C．Think

D．Believe

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