用unless改写句子.
问题描述：
用unless改写句子.
(1)We deal with our problems .We can easily become un-happy.
(2)It is sunny .We won't have a picnic .
(3)You have finished your homework.You can't play football.
(4)The lights turn green .You mustn't cross the road.
答
第一位回答正确,首字母大写即可.1.We can easily become unhappy unless we deal with our problems.2.We won't have a picnic unless it's sunny.3.You can't play football unless you have finished your homewor...