—What upsets him?—________ his computer is out of order.
#30313
A
Whether
B
What
C
That
D
How
推荐题目
___ most of the earth’s surface is covered by water, fresh water is very rare and precious.
#80429
A
As
B
Once
C
If
D
Although
__________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place.
#80081
A
So long as
B
So far as
C
As good as
D
As well as
He asked his father why he was not able to hatch chickens ______hens could.
#30386
A
however
B
while
C
as
D
although
I will remember such a beautiful village forever _________ I spent my childhood there with my parents.
#33994
A
that
B
where
C
in which
D
because
