↑ 收起筛选 ↑
试题详情

1

—What’s the matter with you? You look so worried.

-- I don’t know ___________ the problem.

A. what to solve     B. how to solve    C. to solve what     D. how can I

八年级英语单项填空困难题

少年,再来一题如何?
试题答案
试题解析
相关试题