You must keep your eyes ________. 
#57136
A
close
B
closed
C
closing
D
to close
推荐题目
 He doesn’t like his job. He often ________ it. 
#62209
A
thinks over
B
complains about
C
looks after
D
cares about
In the old days , many children _______ the hunger .
#52284
A
died of
B
die out
C
die up
D
died off
We should never ____till tomorrow what we can do today.
#59905
A
put on
B
put off
C
give up
D
give back