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.

we can easily become unhappy unless we deal with our problems.
we won't have a picnia unless it's sunny.
you can't play football unless you have finished your homework.
you mustn't cross the road unless the lights turn green.

We can easily become happy unless We deal with our problems 。
We will have a picnic unless it is sunny 。
You can play football unles you have finished your homework。
You can cross the road unless the lights turn green。

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...