Fill in the gaps with should, have to, must. 1. The plane takes off at 12.00, so I go now. 2. Everybody in this company wear the uniform. 3. I be a good son for my parents. 4. You find a job. 5. You go there by train. 6. I get up early today. I want to do my job. 7. I stop smoking.

Fill in the gaps with should, have to, must.
1. The plane takes off at 12.00, so I must go now.
To express the idea of necessity or obligation, we use "must" in this case.

2. Everybody in this company should wear the uniform.
To express a recommendation or advice, we use "should" in this case.

3. I have to be a good son for my parents.
To express the idea of obligation or a requirement, we use "have to" in this case.

4. You must find a job.
To express a strong obligation or necessity, we use "must" in this case.

5. You should go there by train.
To express a recommendation or advice, we use "should" in this case.

6. I have to get up early today. I want to do my job.
To express the idea of obligation or a requirement, we use "have to" in this case.

7. I should stop smoking.
To express a recommendation or advice, we use "should" in this case.

Remember, "must" expresses strong necessity or obligation, "have to" expresses requirement, and "should" expresses recommendations or advice.