His father is __________ engineer and he works __________ research.
#49406
A
an, on
B
an, with
C
the , on
D
a, with
推荐题目
Paul always goes to the center of the city ________.
#47263
A
on bike
B
take a bus
C
on feet
D
by car
In my ideal school, we have a big library ______ lots of ______ books.
#46610
A
has; interesting
B
has; interested
C
with; interesting
D
with; interested