The boy asked the teacher what he could do______his grades.

2024-08-22 06:20:36
综合英语（一）(00794)
1

The boy asked the teacher what he could do______his grades.
A、improve
B、improving
C、improved
D、to improve
【正确答案】：D

上一篇：The air crash clearly resulted______the pilot's carelessness.

下一篇：Only after being reminded four times______that he was driving th