There is no doubt _______ nearsightedness is a serious problem among the youth of our country.
#67052
A
/
B
which
C
whether
D
that
推荐题目
—Did your uncle phone you again the next day? ---No, it was a fortnight ___ he gave me a second call.
#73558
A
that
B
when
C
before
D
since
The black baby boy is at the stage he can only say a few simple words but not yet full sentences．
#67236
A
when
B
where
C
which
D
why
The judge paid no attention to _____ he had just lost his wife.
#74241
A
that
B
which
C
what
D
the fact that