题干
I hope that I can be a doctor someday. (改为简单句)
I hope ____ ____ a doctor someday.
答案(点此获取答案解析）
to,be
海里，乙正向北逃跑，若巡逻艇的速度是走私船的 
倍，问巡逻艇应沿什么方向前进，才能最快追上走私船，此时，巡逻艇走了