国家机关、事业单位的医疗保险，又可称为( )
A．劳保医疗
B．公费医疗
C．合作医疗
D．自费医疗
参考答案：B
_____herself wondering whether she had made a mistake, she felt embarrassed and at a loss.
A．Catching
B．Caught
C．Being caught
D．Having been caught
There are _____ oranges in the bag. [ ]
A. much
B. lots of
C. a lot
D. a lots of
