-How long do you think it is _____ he arrived here?.

题目

-How long do you think it is _____ he arrived here?.
-How long do you think it is _____ he arrived here?
-No more than half a year,I believe.
A.when
B.that
C.before
D.since
请问是选B,表示强调,“他到底是来了多久了”吗?如果不是那选什么为什么?
那选别的,

答案

D.It is no more than half a year since he arrived here.他来了多久?不到半年比较：It is a month since he arrived here.对,从他到以后,已经过了一个月.It is a month that he arrived here.错,因为你不能把强调...