1 could( be) 2 are to 3 has to 4 have to 5 may предлагаю такое решение
1. A: Do you go to the gym every day?
B:No, I don't go every day. I go three times a week.
2.A: Does Sam study at your school?
B:No, he doesn't study there. He studies at a private school.
3.A: Does your mother teach English?
B: Yes, she does. She also teaches French and Spanish. She is very good at languages.
4.A: Do your parents work in London?
B: No, they don't. They both work in Oxford.
5.A: Do you practise much before you perform a new play?
B:Yes, we practise for weeks before the first perfomance, and the director makes a lot of changes.
Объяснение:
helmet - a strong hard hat that soldiers, motorcycle riders, the police etc wear to protect their heads
goggles - a pair of glasses made of glass or plastic with a rubber or plastic edge that fit against your skin and protect your eyes
gloves - a piece of clothing that you wear on your hand in order to protect it or keep it warm
wetsuit - a tight piece of clothing, usually made of rubber, worn by people who are swimming, surfing in the sea
waterproof - not allowing water to enter
clothes - the things that people wear to cover their body or keep warm
life jacket - a piece of clothing that can be filled with air and worn around your upper body to stop you from sinking in the water
1) is, was, could
2)are
3) has
4) will have , may