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We'll have a picnic in the park this Sunday ________ it rains or it's very cold.

A．since

B．if

C．unless

D．until

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相关试题

His writing is so confusing that it's difficult to make out ________ he is trying to express.

A．what is it

B．what is it that

C．what is that

D．what it is that

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It’s extremely dangerous for the drivers to _______ speed as the traffic lights are changing．

A．pull up

B．put up

C．rise up

D．pick up

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Writing out all the invitations by hand was more time-consuming than we______.

A．will expect

B．are expecting

C．expect

D．had expected

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China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.

A．that

B．which

C．what

D．it

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There is ______ word in the dictionary.

A．no such

B．not a such

C．no such a

D．not such

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