题干
— How long do you spend project?
— I spend two hours it every day.
A：to do; on
B：to do; in
C：doing; on
D：doing; in
答案(点此获取答案解析）
C
— How long do you spend project?
— I spend two hours it every day.
A：to do; on
B：to do; in
C：doing; on
D：doing; in
