- Some students often drop litter carelessly in our school. What can we do?- We can _______ some signs to remind them not to do that again.
#52736
A
put up
B
put off
C
put away
D
put on
推荐题目
When did your father_____ your mother? 
#60851
A
marry
B
marry to
C
marry with
D
get married
--Nick, ____ you ____ my book?--Sorry, I came here just now .
#61279
A
have, seen
B
did, see
C
has, seen
D
do, see
 There _____ some milk in the bottle.
#53257
A
is
B
are
C
do
D
does