题干
The teachers hope all of us hand ________ our homework ________ time every day.
A：up; in
B：out; on
C：on; in
D：in; on
答案(点此获取答案解析）
D
The teachers hope all of us hand ________ our homework ________ time every day.
A：up; in
B：out; on
C：on; in
D：in; on
