He is always helping people without expecting anything________.
#26055
A
in charge
B
in turn
C
in trouble
D
in return
推荐题目
Since no one really knows what effects the GM food might have _____ us humans, many countries think that they should be cautious _____ this new technology.
#26140
A
about; with
B
on; to
C
in; to
D
on; with
Scientists are convinced _____the positive effect of laughter _____physical and mental health．
#26778
A
of ;at
B
by; in
C
of ; on
D
on ;at
The boys is impolite to others and this _________ hurts himself.
#27527
A
in turn
B
at turns
C
by turns
D
in turns
Researches are convinced ______ the positive effect of laughter ______ physical and mental health.
#26134
A
of; at
B
by; in
C
of; on
D
at; on