.Sohardinthepastfewmonthsthath

. --So hard __________ in the past few months that he has made great progress in English.
--I can see that, only a few mistakes he made in this exam.

A．he worked	B．did he work
C．he has worked	D．has he worked

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相关试题

Put the books back ________ they belong after you have finished them.

A．where	B．to where
C．to which	D．to the place

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How I wish that I could___________ my ideas in simple and wonderful English when chatting on the net.

A．set out

B．set off

C．set in

D．set up

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The society today offers the young generation more chances to ____ their talent and skills.

A．give out

B．take in

C．show off

D．carry on

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The effect of the medicine on this kind of disease remains _____.

A．seen

B．to be seen

C．seeing

D．to see

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I just can’t figure out the meaning of the word---so I’ll have to ___ the dictionary.

A．look up

B．go over

C．check in

D．refer to

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