葡萄套袋的时期为：（）
A、花前
B、花后两周
C、果实成熟前
参考答案：B
现实中货币的时值是不变的。( )
The Bull team ________ the football match and they _______ much experience in playing football.
A．gained; got
B．won; won
C．won; gained
D．got; got
