We cannot figure out ________ quite a number of insects, birds, and animals are dying out.
#73021
A
that
B
as
C
why
D
When
推荐题目
_________I have to give a speech, I get extremely nervous before I start.
#67769
A
Whatever
B
Whenever
C
Whoever
D
However
Children should be instructed to put things _____ they belong in their early childhood.
#68618
A
where
B
in which
C
to which
D
what
________ he seems to know everything.
#71483
A
Young as he is, yet
B
Young as he is
C
As he is young, but
D
Though he is young, but
It is such a modern machine ______ few of the workers know how to operate.
#71962
A
as
B
which
C
that
D
the one
– What are your parents doing now?- Well, my father is reading a newspaper_______ my mother is cooking.
#41308
A
after
B
while
C
but
D
then