He practiced as often as he could _____ his spoken English. [ ]A. improve B.

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He practiced as often as he could _____ his spoken English. [ ]
A. improve
B. improving
C. to improve
D. improved

答案

举一反三

It is important for us _____ a way to stop H1N1.

[ ]

A. find
B. to find
C. finding
D. found

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Brian asked Danny how _____ a Haiku.
A. writing
B. to write
C. to be written
D. write

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My mother always tells me _____ out alone at night.
A. go
B. not go
C. not to go
D. don"t go

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Do you often help your mother _____ food?
A. cooks
B. to cook
C. cooked
D. cooking

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It is good _____ people _____ lots of vegetables.
A. for, to eat
B. for, to eating
C. as, to eat
D. with, to eat

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