22. The girl often helps her best friend, is not good at English. To their delight, his E

发布时间：2020-08-16 06:55:45


22. The girl often helps her best friend,      is not good at English. To their delight, his English is improving day by day.   
A. which
B. who
C. what
D. where

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A. which
(答案→)B. who
C. what
D. where
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