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 |
相关知识点
推荐套卷
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 |