This is certainly the case, but ____ it is a mistake or not I don’t know.
#73119
A
if
B
even though
C
whether
D
that
推荐题目
The man ___ was an old classmate of mine.
#72345
A
you just talked to him
B
who just talked to
C
you just talked to
D
whom you just talked
We should consider the students’ request _____the school library provide more books on popular science.
#68545
A
that
B
when
C
which
D
where