问题
I don’t like any humor in this serious speech because I can’t think of any circumstance ______ this would be beneficial or useful.
A:which
B:whether
C:where
D:as
B:whether
C:where
D:as
正确答案是：
同类题型
We will finish the work within three days if everything goes [ ]
What does your new English teacher look like —She is a pretty lady (女士) ________ long hair.
the magazine today and you can getall the 26 magazines for just $ 99.
. — Did Kate do best in the final exam. — No, but of all the students she did__________.