It is very kind _____ you to help me with my work because it is very difficult ____

 It is very kind _____ you to help me with my work because it is very difficult _____me to do it by myself.

#48323

of； for

of； of

for；of

for； for

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It's reported Shuanghu Yu Cai Middle school will be built  ______ .Sep 1th, 2013.

#48105

for

--Do you want one way ________ round-trip?--Round -trip. We'll return __________December 8th.

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or; in

and; in

or; on

and; on

Could you tell me the way ________ the post office．

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to go

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#50422

in, in

at , in

on, at

at, at

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