[单选题] I don’t know whether you happen ________ , but I’m going to study in the U. S.
this September.

1、[单选题]It is said that in Australia there is more land than the government knows ________.

• A、it what to do with
• B、what to do it with
• C、what to do with it
• D、to do what with it

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2、[单选题]You were silly not ________ your car.

• A、to lock
• B、to have locked
• C、locking
• D、having locked

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3、[单选题]Don’t leave the water ________ while you brush your teeth.

• A、run
• B、running
• C、being run
• D、to run

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4、[单选题]________ by the beauty of nature, the girl from London decided to stay another two days off the farm.

• A、Attracting
• B、Attracted
• C、To be attracted
• D、Having attracted

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5、[单选题]The research is so designed that once ________ nothing can be done to change it.

• A、begins
• B、having begun
• C、beginning
• D、begun

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