The Great Wall was built to keep ______  the invaders. 
#81866
A
in
B
out
C
up
D
off
推荐题目
We had to _________ the engine piece by piece for transport.
#73431
A
take up
B
take out
C
take off
D
take apart
 All children are required to ______ school.
#64765
A
attend
B
go
C
join
D
take part in
My mother insisted the coat ____ me quite well and that I ____ it when attending assembly.
#71720
A
fit; wore
B
fitted; wear
C
should match; wear
D
matched; wore