用适当的情态动词完成下列对话

1. A: ______I finish my homework now?

    B: No,you____.You____do it tomorrow.

2. A: This bag is very old. ____you still use it?

    B: Yes,I can.

3. A: _____I go out and play football,mum?

    B: No,you______finish your homework first.

4. A: ______I play football in the street?

    B: No,you____.

5. A: _____you find many students in the classroom?

    B: No,I_______.

当年鲁迅一反读书为仕途而走“异路”--学医，是为了救治像父亲一样的病人，免除他们被庸医误治的痛苦；后来他又弃医从文，为的是救治国民的愚昧、麻木。从鲁迅所走的，鲁迅做到了[ ]

A．把自己的所学与对社会尽责联系在了一起

B．把社会应尽的责任推及到了每个人的身上

C．大丈夫以天下大事为己任，不必关心自己

D．宁教我负天下人，休教天下人负我