Listening to loud music at rock concerts       caused hearing loss in some teenagers.
#100551
A
is
B
are
C
has
D
have
推荐题目
---Oh, it’s you! I ______ you.--- I’ve just had my hair cut.
#100348
A
don’t recognize
B
didn’t recognize
C
haven’t recognized
D
hadn’t recognized
He _____ football regularly for many years when he was young.
#100315
A
was playing
B
has played
C
played
D
had played