people have always been curious ______ how living things on the earth exactly began.
#27118
A
in
B
at
C
of
D
about
推荐题目
Some people choose jobs for other reasons _____money these days.
#28431
A
for
B
except
C
besides
D
with
He is running ________ the wind towards the east of the station ________ Tom running ________ the right.
#28838
A
down; and; on
B
against; with; on
C
for; with; in
D
with; while; to
If you absolutely want to get the truth of Malaysia Airlines MH370, _______ wait until the timing is right.
#25176
A
at best
B
at all
C
at least
D
at most
I think you should complain—_________ , of course, you are happy with the way things are.
#25710
A
if
B
until
C
unless
D
once
Scientists are convinced the positive effect of laughter_____physical and mental health.
#26000
A
of, at
B
by, in
C
of, on
D
on, at