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
You can’t take the lift because it is _______.
#27511
A
in order
B
in order to
C
out of order
D
on order
It took a great deal of courage to admit that all their efforts had been ________.
#25114
A
in danger
B
in vain
C
in return
D
in turn
The TV play series The Revolution of 1911, broadcast on CCTV1 lately, is ________ the 100th anniversary of The Revolution of 1911.
#26193
A
in favor of
B
in honor of
C
in place of
D
in search of
Gong Li, a famous film star, once said: “______ performance, it is not that different between Hollywood and Asia.”
#26821
A
In favor of
B
in terms of
C
In need of
D
In place of