People often use English ________ they travel in foreign countries.[ ]A. tha

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People often use English ________ they travel in foreign countries.[ ]
A. that
B. when
C. if
D. but

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举一反三

It began to rain ________ we were walking on the street.[ ]
A. when
B. then
C. while
D. because

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good friend always gives you a helping hand ________ you are in trouble.[ ]
A. when
B. before
C. until
D. though

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I arrived at the airport ________ the plane had taken off.[ ]
A. after
B. while
C. when
D. before

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_______ Mr Smith didn’t feel well, he still come to give us lessons.[     ]
A.So
B.Because
C.Though
D.As

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—Why do you like him?
—____ he looks so serious.     [     ]
A. So
B. Because
C. When
D. How

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