用"fall ill"造句.

When did you fall ill ?
你什么时候开始病的?
2. Be careful not to fall ill.
注意不要生病了.
3. I am apprehensive that she may fall ill
我担心她会病倒.
4. Why she fall ill suddenly is a mystery.
为什么她突然生病是个谜.
5. She have to stay home because her son fall ill.
因为儿子生病所以她得待在家里.
6. No sooner have he arrive there than he fall ill.
他一到那里就病倒了.
7. A week after his admission into the army, he fall ill.
他入伍後一星期就病了.
8. When she fall ill her daughter take over the business from her.
她患病期间生意曾由她女儿代管.

i must have been fall in love with you