高中情态动词1、Naturally ,after i told herwhat to do ,my daughter (

高中情态动词
1、Naturally ,after i told herwhat to do ,my daughter ( )go and do the opposite.
A、can B、must (正确答案是B
2、Mum,I've been studying english since 8 8 o'clock .( )I go out and play with Tom for a while?
No,I'm afriad not.besides,it's raining outside now.
a、can't b、wouldn't c、may not d、won't (答案是a,
3、nowadays some people waste a lot of food ( ）others haven't enough to eat.
a as Bwhile 请解释为什么不能是a)