Go back and have a shower,please. You must/should have a shower before you go in the pool. 1. I've got a headache.Perhaps I must/should take an aspirin. 2.The sign says NO SMOKING. That means you must not/should not smoke here. 3.I don't have to do my homework today,but I think I must/should. If I do it, I'll be free all weekend. 4. People mustn't/shouldn't touch the works of art in the museum. If you do, you will get into trouble.
esten123
0. must 1. should 2. must not 3. should 4. mustn't
1. should
2. must not
3. should
4. mustn't