______their service, many taxi drivers in Shanghai are going to learn everyday E

游客2025-03-15 21

问题 ______their service, many taxi drivers in Shanghai are going to learn everyday English.

选项 A、Improving
B、Having improved
C、Improved
D、To improve

答案 D

解析

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他一到上海就给我打了一个长途电话。AssoonashegotShanghai,hemadealongdistancecalltome