问几道英语题目（初二的）

1.You don't need to hand in your homework today,but you must hand it in tomorrow morning.(保持原意）

You don't_____ _____ hand in your homework today,but you ____ ____ hand it in tomorrow morning.

2.We'd better take more exercise to keep healthy.(保持原意）

We ______ _______ take more exercise to keep healthy.

3.That's very kind of you to help me .(保持原意）

You are ____ _____ help me.

have to have to

had better

kind to

1.have to had better

2.need to

3.kind to

1. have to, need to

2. had better

3. kind to