用must，have，had to，mustn't，needn't，have to填空

she go there everyday

I wait for you for one hour

I to work hard to make a living

1. She needn't go there every day.

2. I had to wait for you for one hour

3. I have to work hard to make a living

1. She needn't go there every day.

2. I had to wait for you for one hour

3. I have to work hard to make a living

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