________ there are living creatures in the outer space as those on Earth hasn't been proved until now.
#30306
A
How
B
When
C
Where
D
Whether
推荐题目
The other day ,my father drove his car at _____I thought was a dangerous speed.
#32075
A
as
B
that
C
what
D
which
She is very dear to us. We have been prepared to do_______it takes to save her life.
#34795
A
whichever
B
however
C
whatever
D
whoever
He doesn’t plan to go back to his home________he makes a fortune in Hong Kong.
#30045
A
while
B
since
C
or
D
until
. He isn’t an honest man. You can’t believe anything ______ he says.
#34022
A
which
B
that
C
what
D
where