It's a chicken-and-egg question. I can't answer you now.           
#45634
A
easy
B
clear
C
difficult
D
funny
推荐题目
 –Don’t worry. We still have __________ time. 
#45218
A
little
B
a little
C
few
D
a few
Jane is          high school student in the United States.
#45327
A
an 18-year-old
B
a 18-years-old
C
an 18-years-old
D
a 18-year-old
What ________ results!
#47677
A
disappointed
B
disapointed
C
disappointing
D
disapointing
—What do you think of living _______ in the big flat? —I think I will feel __________.
#46380
A
on your own, alone
B
by yourself, alone
C
alone, lonely
D
lonely, alone