At first, I didn’t know what ____ Facebook was, and now I do know what it is. I have to say, it sounds like ____  huge waste of time.
#8384
A
/; the
B
/; a
C
the; a
D
a; the
推荐题目
She studied ________ medicine before she became ________ writer
#7827
A
the; the
B
the; a
C
不填; a
D
不填; the
 Have you heard ___ news? The price of____petrol is going up again!
#9993
A
the, the
B
不填,the
C
the, 不填
D
不填,不填