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多項(xiàng)選擇題

We always（）to give our customers excellent service.

A.devote
B.endeavor
C.try
D.commit

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多項(xiàng)選擇題

No one can avoid being（）by advertisements.

A.influenced
B.effected
C.affected
D.impacted

單項(xiàng)選擇題

My grandfather was a（）teacher,it′s the only job he′d ever done.

A.profession
B.occupation
C.amateur
D.career

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