How much time did you spend ________ a bargain?    
#51388
A
look for
B
looking for
C
to look for
D
looked for
推荐题目
 I think this piece of music is  worth_______.
#49895
A
listening
B
to be listened to
C
listen to
D
listening to
Would you mind ______ louder?  I can’t hear you clearly.
#49468
A
speaking
B
spoke
C
to speak
D
speaks
When we came to the gate, he stopped _______ me go in first. 
#51364
A
to let
B
to tell
C
to allow
D
to ask