问题
选择题
The first two services are free,______the third costs£35.
A.while
B.whether
C.what
D.which
答案
:A
:考查连词辨析。While然而;句意:前两个服务是免费的,然而第三个值35美元。故A正确。
The first two services are free,______the third costs£35.
A.while
B.whether
C.what
D.which
:A
:考查连词辨析。While然而;句意:前两个服务是免费的,然而第三个值35美元。故A正确。