题干
If we want to arrive there on time，we need _______ home at five o'clock in the morning.
A：leaving
B：to leave
C：left
D：leaves
答案(点此获取答案解析）
B
If we want to arrive there on time，we need _______ home at five o'clock in the morning.
A：leaving
B：to leave
C：left
D：leaves
