Scientists are convinced ________the positive effect of laughter________ physical and mental health.
#26429
A
of; at
B
of; on
C
by; in
D
on; at
推荐题目
Jack climbed ______ to the top of the mountain though he is only a boy of ten.
#27547
A
in a way
B
in the way
C
by the way
D
all the way
Would you mind not picking the flowers in the garden？They are ________ everyone's enjoyment.
#25290
A
in
B
at
C
for
D
to
Before selecting the curtain for your newly-decorated house，it’s important to know what colors look great _______ the wall paper．
#25464
A
on
B
with
C
against
D
in
Since you are in a hurry, why not_______ for a taxi_______ stay here to wait for the bus?
#26525
A
calling; or rather
B
call; more than
C
call; rather than
D
calling; would rather