We wonder ___________ quite a number of living things are dying out.
#79165
A
that
B
as
C
why
D
when
推荐题目
---Congratulations to you on making such great progress!---Thanks, but I would do better ________ I was given more time.
#37868
A
if
B
unless
C
though
D
because
We can’t decide the problem of stress.
#39363
A
what to deal with
B
what we should deal with
C
how to deal with
D
how we should do with
The newcomer went to the library the other day in search of ____________he could find about Mark Twin.
#79166
A
wherever
B
whatever
C
whoever
D
however
The old gentleman is considering _________he move to New York with his daughter and son-in-law or live alone at home.
#78989
A
when
B
how
C
what
D
whether