Вставить must/mustn't /should /shouldn't /don't have to /can 1.you look very tired. in my opinion, you work hard 2.you park here. can't you see the sign? parking is forbidden 3. tell them they wash the carrots. i have already done it 4. i think you take in umbrella with you. it might rain in the evening 5. don't argue with me, son! you it right now! 6. i think young people travel alone. it's so dangerous 7.you have a visa to go to germany. you only need a passport 8. you bring a friend if you like

1) You look very tired. In my opinion, you shouldn't work hard.
2) You mustn't park here. Can't you see the sign? Parking is forbidden.
3) Tell them they don't have to wash the carrots. I have already done it.
4) I think you should take in umbrella with you. It might rain in the evening
5) Don't argue with me, son! You must do it right now!
6) I think young people shouldn't travel alone. it's so dangerous.
7) You don't have to have a visa to go to Germany. You only need a passport.
8) You can bring a friend if you like.

Удачи в учёбе!