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科目： 來源：不詳 題型：單選題

______ abroad for more than two years, he returned to his hometown.
A．StudiedB．Studying
C．Having studiedD．To study

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科目： 來源：不詳 題型：單選題

The club, _____ 25 years ago, is holding a party for past and present members.
A．foundingB．foundedC．being foundD．to have found

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科目： 來源：不詳 題型：單選題

Despite the great difficulty we had _____ out the plan, it paid off in the end.
A．carryingB．carriedC．to carryD．carry

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科目： 來源：不詳 題型：單選題

When you arrive at your job in the morning, let the first thing you say_____ everyone’s day
A．to brightenB．brighteningC．brightenedD．brighten

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科目： 來源：不詳 題型：單選題

China's first moon rover, Yutu, or Jade Rabbit touched the lunar surface at 9:14 a.m.on December 14,2013,  ________deep trace on the loose lunar soil.
A．leftB．leavingC．Having leftD．To leave

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科目： 來源：不詳 題型：單選題

The speaker, Professor Davie, __________ for his impressive achievements in physics, was warmly received by all the students in our school.
A．being known B．known C．having known D．to know

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科目： 來源：不詳 題型：單選題

Every time Gina catches her employees ____________ time, she reminds them that time is money.
A．to wasteB．wastingC．wastedD．waste

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科目： 來源：不詳 題型：單選題

After Chang’e-3 landed on the moon on Dec 14, China became the third country _________ this after the US and the former Soviet Union.
A．having achievedB．a(chǎn)chievingC．a(chǎn)chievedD．to have achieved

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科目： 來源：不詳 題型：單選題

______ those troublesome messages, you’d better not give out your number to anyone whom you don’t know.
A．Avoiding B．AvoidedC．Having avoidedD．To avoid

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科目： 來源：不詳 題型：單選題

The US federal government has released 252 applications so far, ______ fields including education and health care.
A．coveredB．to coverC．coveringD．having covering

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