-- A medical team was sent to Japan by air five hours ago. ---So they have arriv
来源：网络
时间：
推荐文章
-- A medical team was sent to Japan by air five hoursago.
---So they_____ have arrived by now. The flightusually takes four hours or so.
A．might B．could C．need D．must
试题答案
【答案】
D
【解析】
试题