题目内容：

用“if”将两个句子合成一句
a.she is going to eat more fruites and vegetables
b.you will be much healthier
a.please let me watch TV
b.i will stay at home
a.you are going to bring some food to the party
b.the teachers will take it away
说明哪个是主句哪个是从句（主将从现）
再加一个a.you are going to the park tomorrow
b.you will have a great time

优质解答

if she eates more fruits and vegetables从 ,she will be much healthier主句if you go to the park tomorrow从句,you will have a great time主句if you bring some food to the party从句,the teachers will take...