The first thing you need to do is (to) change your diet.这个句子

The first thing you need to do is (to) change your diet.这个句子 The first thing you need to do is write the homework Is 后为何不 the first thing you need to do is helping others beside you. the first thing you need to do is contact both departments a when___English,the first thing for you to do is to make your The first thing you have to do is the first thing we need to do is that we should learn to car 英语语法the thing that we need to do is to keep clam.这个句子是正确的吗?我 l think the first thing you need to know about is her family The first thing we may do after you arrive is going to the w The first thing I want to do is _____ 1.The first thing ___ you must do is to have a meal.