--Please ___________ the machine before you start it. Maybe it’s difficult for you to make it move.--OK. I’ll try my best.
#54261
A
look up
B
look over
C
look for
D
look through
推荐题目
 —Fire is very useful to human! —Yes, especially in winter a fire _____________warm.
#62971
A
used to keep
B
can be used to keep
C
is used to keeping
D
was used to keeping
- He's easily _______ by others.    - But he used to be so stubborn.
#58165
A
refused
B
affected
C
controlled
D
disturbed