Ответ:
1. Girls have to wear skirts at school
2. You must be polite
3. Sue has to tidy her room every day
4. Do you have to wear a tie at school?
5. Can I ride a motorbike?
Объяснение:
4.is 5.are 6.are 7.are 8. is 9. are 10. is 11. am 12.was 13 are, I am 14.is 15. are 16.is 17. is 18. are 19. is Как-то так, но проверяй
to надо ставить в 2,5,7,9,10.в остальных ничего не надо ставить
9. 1. don't know
2. are you doing here; am waiting
3. Do you want
4. is having
5. are these boys talking
6. is drawing
7. is walking
1.we can recycle plastic,metal ,paper. 2.People use bicycls instead of cars. 3.Yes,its necessary,becouse our enviroment is polluted. 4. I suggest to create centers of recycling. (прости,что так мало в голову совсем ничего не лезет)