Scientists are convinced ___ the positive effect of laughter ___ physical and mental health.
#28425
A
of; at
B
by; in
C
of; on
D
on; at
推荐题目
During World WarⅡ, Japan attacked Pearl Harbor without declaring war _____ America.
#25821
A
in
B
with
C
to
D
against
I never think myself a stupid boy. ______, I know I’m on the road to success.
#26532
A
On the other hand
B
In other words
C
On the contrary
D
By the way
--There is ___ food on the table for you, Xiao Ming.---Thank you, Mun, But I __ eating anything now.
#28165
A
a number of, don't want
B
plenty of , don’t feel like
C
a plenty of , wouldn't like to
D
lots of, wouldn't like
He got to the bus station early, _____ missing the first bus .
#29113
A
in case of
B
instead of
C
for fear of
D
in search of
Mr. Johnson starts to work very early in the morning and goes on working until late in the afternoon ________a break at midday.
#28906
A
with
B
for
C
as
D
through