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His father is __________ engineer and he works __________ research.
#49406
A
an, on
B
an, with
C
the , on
D
a, with
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The students are studying at home        computers.
#49800
A
in
B
at
C
on
D
of
The nature reserve is a good place _______ wild animals ____ live ___.
#47870
A
to, to, at
B
for, to, with
C
for, to, in
D
to,for,in
No smoking, please. It’s ____ the rules.
#48628
A
against
B
for
C
on
D
at
MR. Lin’s son is pretty good_____ drawing pictures and won many prizes.
#48198
A
in
B
at
C
on
D
of
Paul always goes to the center of the city ________.
#47263
A
on bike
B
take a bus
C
on feet
D
by car