Scientists are convinced_____the positive effect of laughter_____physical and mental health.
#28733
A
of; at
B
by; in
C
of; on
D
on;at
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On behalf of my country and the other leaders of the world, with whom I have talked, I appeal for a peaceful settlement to the conflicts.
#26450
A
in the name of
B
in the possession of
C
as a consequence of
D
under the command of
—He always appears when we are in trouble.—We can find a true friend _________ him.
#28448
A
in
B
of
C
from
D
on
I feel sure that _______ qualification, ability and experience, you are suited to the position we have in mind.
#28160
A
on account of
B
in terms of
C
on the basis of
D
in spite of
For a long time, he hesitated whether he should tell us ____ what had happened．
#27121
A
at dusk
B
at length
C
at present
D
at stake
The boy went swimming in the deep lake，________ his mother’s fear for his safety.
#25266
A
but for
B
regardless of
C
apart from
D
instead of