He sat down       a computer.
#48133
A
in the front of
B
in front of
C
in front
D
front of
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I am the ______ child ______ my family.
#49448
A
two; of
B
second; of
C
two; in
D
second;at
Taiwan lies in the east of China. 
#46376
A
is in
B
is near
C
is far away from
D
is located on