【单选题】【消耗次数：1】
I have spent a lot of time_______repairing the machine.
①
at
②
/
③
on
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A: Have you been wasting time on computer games again? B: Not really. I’ve been studying a lot and I need a break.
①
正确
②
错误
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I [填空]talk to everyone a lot,but now we communicate by email most of the time.
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Its the second time that I __________ in Shanghai ！ What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
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had been ； left
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have been ；had left
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Tom: It’s the most delicious fruit I have had a long time.
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I’m so glad you like it.
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You are not hungry now.
③
I like eating this fruit, too.
④
You should like it.
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With so much I am not sure if Ill have time for the game.
①
do
②
doing
③
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I am sorry I have no time at present to ____ more detail or give you an account of other cities of interest.
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