1) You must switch off your phone when you drive.
2) You mustn't cross the road when the light is red.
3) You must be careful when you cross the road
4) You must walk on the pavement
5) You mustn't cycle on the pavement
6) You must fasten your seat belt
7) You musn't drive more than 60 kmph
8) You must cycle in the cycle lane
Тут нет слов из 3 упражнения. Поэтому ответить не могу
Dear Mrs Gomez,
I refer to your letter of May 18 concerning the information of D. L. Cromer Ltd.
The company has been a of customer ours for a number of years, and although their credit limit has not reached the level you mentioned, we have found that they always cleared their balance on the due dates, settling them on quarterly statements .
We trust you will treat this confidence in the credit-worthiness .
Yours sincerely,
G. MacFee
1) The book was published not long ago. (Past Simple)
2) She will be offered an ineteresting job soon. (Future Simple)
3) The room had been cleaned by the time he returned. (Past Perfect)
4) The computer was invented in the USA. (Past Simple)