-- Welcome to Dream Music Club. Can you play the violin or the piano?
-- ____. But I can play the guitar.
A：Either
B：Both
C：Neither
在下面的横线上填写处相应的句子。
The giant knocks the wall around his garden. ( )
_________ he was exercising in the park yesterday morning, he found a purse under the tree.
2013年1月-2月，我国京津冀地区多次遭受严重的雾霾天气。此季节，能使雾霾迅速消散的天气系统最可能是（ ）
