we can not figure out ____quit a number of insects ,birds ,and animals are dying out .
#73069
A
that
B
as
C
why
D
when
推荐题目
Father made a promise _______ I passed the examination he would buy me a bicycle.
#72663
A
that
B
if
C
whether
D
that if
________ had been done, the working efficiency of the employees still remained low.
#69428
A
Though
B
Despite the fact that
C
Despite
D
Despite what
It is obvious _________ he has known the news and he is very satisfied with the result.
#69121
A
which
B
that
C
what
D
whether
The first thing ____ you should do is to learn all the new words by heart.
#73109
A
what
B
that
C
which
D
who