The door is low, so ______ your head when you go in.
#69221
A
attend
B
guard
C
protect
D
mind
推荐题目
It is human activities on the earth that are to ______global warming.
#71880
A
be blamed for
B
blame for
C
take charge of
D
be responsible with
 Would you like to _____ us in our discussion?
#81457
A
take part in
B
join
C
taking part in
D
joining