What he has done has a bad effect ________ the children.
#27856
A
in
B
on
C
by
D
through
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—How do you feel your travel to Hainan?—________，I enjoyed it very much，although the weather of some days was unpleasant.
#25761
A
In addition
B
On the whole
C
In other words
D
On the other hand
People go to clean graves and light incense their ancestors.
#25797
A
in debt
B
in their turn
C
in memory of
D
in time
Scientists are convinced the positive effect of laughter physical and mental health.
#28244
A
of; at
B
by; in
C
of; on
D
on; at
Shirley，a real book lover，often brings home many books to read ________ the library.
#25247
A
in
B
for
C
by
D
from