用所给词的适当形式填空

1. Would you tell me how your father_______ (act) when he is angry?

2. You'd better not be angry at his_______ (angry).

3. Could you tell me the facial_______ (express) of your father when he is happy?

4. I'd like_______ (ask) you a question.

5. _______ ( know) your own dog is not enough.

大部分蕨类为常绿植物，叶形婀娜多姿，且以其古朴、清新、自然成为人们喜爱的观赏植物，家中养植蕨类时最有利于蕨类生长的措施是

A．放在背阴处，多浇水

B．放在向阳处，多浇水

C．放在背阴处，少浇水

D．放在向阳处，少浇水