题目内容
________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
答案:B
解析:
解析:
动词不定式作目的状语。 |
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题目内容
________ their service, the workers of the hotel are active in learning English.
[ ]
A.Improving B.To improve
C.Improve D.Having improved
动词不定式作目的状语。 |