1.----Excuse
me,sir. Could you tell me how to go to the rail
station?
----Sorry, I’m a new comer. You have to
ask, I’m afraid, _____ is a native
.
A.someone B. whoever
C. who D.
whomever
I’m afraid是插入语,You have to ask whoever is a
native.中whoever引导宾语从句,在从句中充当主语,此题易误选D,那么这主要是看连词在从句中充当什么成分,还可以把whoever替换成anybody who来检验.