用have to的适当形式填空

用have to的适当形式填空
1.Jane's mother is ill.So Jane ____ stay at home and look after her.
2.---___ you ____ do that now?
---No,l ___.
3.My brother ___ go to school on foot because he can't ride a bike.
4.lt's late.But they ___wait for the bus.
5.--l went to see my doctor yesterday.
--What did she say?
--She said to me,You are a little too heavy.
--___you___stop eating chocolate?
--Yes,l___.

1 had to

2 DO have to
don't have to

3 had to

4 have to

5 will/would have to
would have to
再问： 为什么是had、would、will
再答： 因为没有语境，楼上回答的我认为也是可以的。WOULD的话应该是未来时态带有虚拟语境。

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