Complete the sentences using should shouldn't or ought to/ought not to. 1) We shouldn't throw rubbish on the street. 2) You_____tell your parents the truth. 3) You_____talk with…

Complete the sentences using should shouldn't or ought to/ought not to. 1) We shouldn't throw rubbish on the street. 2) You_____tell your parents the truth. 3) You_____talk with your mouth full of food. 4) When someone gives you a present, you_____say thank you. 5) In Britain, you_____put your elbows on the table when you are eating 6) You_____be careful in the street when it is dark. know about the rules of the game. be at home by 6.00 p. m. 7) Не_____know about the rules of the game 8) She_____be at home by 6.00 p.m. 9) I keep losing my keys. What _____I do ?