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科目： 來(lái)源： 題型：單選題

Children，when ______ by their parents, are allowed to enter the stadium.

A．to be accompanied B．to accompany
C． accompanying D．a(chǎn)ccompanied

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科目： 來(lái)源： 題型：單選題

Today there are more airplanes________ more people than ever before in the skies.

A．carry B．carrying C．carried D．to be carrying

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科目： 來(lái)源： 題型：單選題

For those with family members far away, the personal computer and the phone are important in staying________.

A．connected B． connecting C． to connect D． to be connected

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科目： 來(lái)源： 題型：單選題

  the past year as an exchange student in Hong Kong, Linda appears more mature than those of her age.

A．Spending B．Spent C．Having spent D．To spend

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科目： 來(lái)源： 題型：單選題

The film star wears sunglasses. Therefore, he can go shopping without ______..

A．recognizing B．being recognized  
C．having recognized D．having been recognized 

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科目： 來(lái)源： 題型：單選題

There are still many problems ______ before we are ready for a long stay on the Moon.

A．solving B．solved
C．being solved D．to be solved

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科目： 來(lái)源： 題型：單選題

Last night, there were millions of people _______ the opening ceremony live on TV.

A．watch B．to watch 
C．watched D．watching 

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科目： 來(lái)源： 題型：單選題

__  carefully if any change occurs when doing experiments in the lab..

A．ObserveB．To observe
C．ObservedD．Observing

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科目： 來(lái)源： 題型：單選題

While waiting for the opportunity to get    , Henry did his best to perform his duty.

A．promote B．promoted C．promoting D．to promote

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科目： 來(lái)源： 題型：單選題

— I hope to take the computer course.
— Good idea. ____ more about it, visit this website.

A．To find out B．Finding out C．To be finding out D．Having found out

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