问题
He used to be ______ UNICEF worker, but now he is really excellent football player.
A:an, an
B:a, an
C:a, the
D:the, an;
B:a, an
C:a, the
D:the, an;
正确答案是：
同类题型
There is somebody waiting for you,_________ I think might be one of your classmates.
____ made things worse, he said, was that his roommate never took part in any of the cleaning work．
sent situation is very complex, so I think it will take me some time to____its reality.
The girl is _______ her mother in manyways. For example, they are both tall and thin.