lf it doesn't rain tomorrow ,we will go on an outing to the countryside.
问题描述：
lf it doesn't rain tomorrow ,we will go on an outing to the countryside.
=_____it _____tomorrow ,we will go on an outing to the countryside.
You are already overweight .You'd better eat less meat.
=You'd better ____eat too much meat____you are already overweight .
答
Unless...rains 因为unless=if not
补充的 not...because 意为你最好别吃太多的肉了,因为你已经很胖了