用所给词的适当形式填空。

1. The boy __________ (not have) any friends here.

2. Jim can __________ (play) the piano very well.

3. He is tired, let him __________ (have) a break.

4. What about __________ (visit ) the museum?

5. Juice and milk are _________ (health) drinks.

善于疏肝解郁，而活血通经的药为

A．凌霄花

B．鸡血藤

C．益母草

D．月季花