Вставьте подходящий модальный глагол (must / can / need)

Sonia practise so much if she wants to take part in the marathon.
If you want to improve your English, you work very hard.
You not come to help them tomorrow: the work is done.
You not change the whole text as the beginning is all right.
John not tell us the rules of the game: we know them.
We not afford to pay the bill.
It is already six o’clock. We hurry if we don’t want to be late.
She decorate a room nicely.

Объяснение:

Mary suggested going for a drink.

Jane refused and explained that she had promised to help her mum prepare the party, her dad was fifty the following day.

Mary was surprised and said that he looked much younger.She inquired if he did any sports.

Jane explained that he used to play tennis but he had to stop because of his elbow. Jane invited Mary to come to the party if she liked and added that it started at 6.

Mary thanked and accepted the invitation.She wondered if she could offer her help in the preparations.

Jane agreed and said that there would be over sixty people so they really needed a lot of help.

Mary advised that they should use a catering company,they could prepare the food and clean up afterwards.

Jane admitted that it was a good idea, but her mum wouldn't hear of anyone except her preparing her dad's birthday cake.

Подробнее - на -

1) was reading; fell 2) began ; were driving 3)was playing ; broke4)was shaving ; cut;5) occurred ; was snowing ; 6) were dancing ; stepped ; 7)was trying ; rang; 8) was preparing ; went. 9) was driving ; hit. 10) started; was playing 11) rang ; was taking 12) were walking ; met 13) arrived ; was sleeping 14)started ; was hiding )15) was raining; fell; broke. 16) were you studying ; began 17) was driving ; happened 18) were they painting ; began 19) were you watching ; called 20) was walking ; found 21)began , was calling или called