[单选题] Keep up good state of mind even if you___________ fail plenty of times.

1、[单选题]Please __________why you're so late," said his girlfriend.

• A、excuse
• B、explain
• C、apologize
• D、tell

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2、[单选题]You don't look so well, Mary.What's the matter with you? --Why?___________.

• A、I'm quite myself
• B、Fine, think you
• C、I felt bad
• D、I'm not myself

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3、[单选题]The prison was ___________ fire last night.
--Someone must have set fire___________ it.

• A、on ; with
• B、on ; to
• C、over; with
• D、should

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4、[单选题]My uncle___________ until he was forty-five.

• A、married
• B、didn’t marry
• C、was not marrying
• D、would marry

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5、[单选题]China has hundreds of islands, ___________ is Taiwan Island.

• A、among them the largest
• B、and the largest of which
• C、and the largest of them
• D、but in which the largest

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