________ the reason, it is for sure that yawning can be passed from person to person.
#32140
A
Whatever
B
Wherever
C
Whichever
D
However
推荐题目
Maria looked around on the playground _______ looking for something.
#32213
A
even though
B
even if
C
only if
D
as if
________you like the portable personal computer so much，why not buy one?
#30044
A
So that
B
Now that
C
Even if
D
In case
．China is playing an important role in the world. That’s_______Laura has come to study Chinese.
#34794
A
because
B
why
C
how
D
that
He didn’t put the things ____they belonged, for ____he got his punishment.
#30091
A
which; that
B
what; this
C
that; whose
D
where; which
— May I go and play with Dick this afternoon, Mum?No, you can’t go out _______ your work is being done.
#80085
A
before
B
until
C
as
D
the moment