问题

The producer comes regularly to collect the cameras _______ to our shop for quality problems.
A:returning
B:returned
C:to return
D:to be returned;
B:returned
C:to return
D:to be returned;
正确答案是:
同类题型
In China ________ usually comes in September or October.
The boy is often heard in the music room. He sings very well.
Most citizens like to go to the Wal-Mart SuperCenterbecause it has a ______of items.
_____ day it is! -Let’s go out and enjoy the sunshine.
. —I’m sorry. I _________ at you the other day. —Forget it. I was a bit out of control myself.