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科目： 來源： 題型：單選題

I work harder at my lessons this year _____ I have made good progress.

A．but B．or C．a(chǎn)nd D．for

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科目： 來源： 題型：單選題

—When did your daughter go to sleep last night?
—She didn’t go to bed ______ she finished her homework.

A．before B．a(chǎn)fter C．until D．then

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科目： 來源： 題型：單選題

________ I got on the bus, he got off.

A．As B．While C．Until D．Till

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科目： 來源： 題型：單選題

Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.

A．only if B．until C．so that D．even though

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科目： 來源： 題型：單選題

- How do you like the concert given by F.L.R.?
- Exciting, _______ one piece of the music wasn't played quite well.

A．thoughB．becauseC．soD．And

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科目： 來源： 題型：單選題

Susan was reading a newspaper on the train_________ a strange old man come over.

A．when B．while C．before D．a(chǎn)fter

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科目： 來源： 題型：單選題

—How are you going to spend this weekend? 
—_________ the weather is fine, we’ll climb Mount Tai.

A．As well as B．As good as C．As soon as D．As long as

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科目： 來源： 題型：單選題

—I  have  no  idea ____________   tell her  the  bad  news. 
—I think tomorrow is the best time.

A．how toB．when toC．howD．when

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科目： 來源： 題型：單選題

Our team tried our best, ________ we failed the match at last.

A．but B．a(chǎn)nd C．or D．while

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科目： 來源： 題型：單選題

The earth will become worse and worse ________ we do something to stop her from being polluted.

A．if B．even if C．when D．unless

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