People attracted onto Facebook with the promise of fun, free service don’t realize they’re paying for it by________ their personal information. 
#12124
A
giving in
B
giving off
C
giving up
D
giving away
推荐题目
— How are you, my dear?— Not so well. I've ___ the flu.
#13586
A
looked up to
B
dropped in on
C
come down with
D
gone in for
We are using so many raw materials every day, which _______ that they _______.
#13669
A
are running out ; will be used up
B
are being run out; will run out
C
have run out of ; will be using up
D
have run out; will run out of