--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
Jim’s brothers spent a whole day ________ in the aquarium. They forgot ________ back before ten o’clock.
#53316
A
hanging out; to come
B
hung out; coming
C
hang out; to come
D
to hang out, to come
---- The reading room ______ from 9a.m. to 5p.m.  ---- It’s 4 p.m. now, but the door ______.
#57236
A
is open, is closed
B
closes, opens
C
opens, is open
D
is open, close