We will stay in the hospital until the boy's mother____.

问题描述:

We will stay in the hospital until the boy's mother____.
A.reaches B.will come C.arrives D.left
我是选择A的,因为我觉得如果是选择 arrive ,就因该在arrive后面加上at.
可是答案是选择C.为什么呢?

reach是个及物动词,必须是reach+地点,而arrive是不及,可以直接是(某人)+arrive,而arrive at 就可以当及物动词用了,arrive at s.p.对了要加分哦