Question

[Nguyễn Thị Minh Thư]

1. Swimming in this river is very dangerous

->It's

2. They must tidy the school yards

-> They have

3. She intends to visit her grandma next sunday

-> She is

4. The book is interesting. I can read it twice

-> The book

5. She shouldn't stay up late

->She ought

6. She has long straight brown hair

-> Her hair

7. The water is too hot for him to drink

-> The water isn't

8. The weather is so cold that we can't go out

-> The weather

9. It's not necessary for you to stay up late

-> You don't

10. Playing with matches is very dangerous

-> It's very

11. It's dangerous to put a knife into an electrical socket

->Putting a knife

Answer 1

[Hà An]

1. Swimming in this river is very dangerous

->It's very dangerous to swim in this river

2. They must tidy the school yards

-> They have to tidy the school yards

3. She intends to visit her grandma next sunday

-> She is going to visit her grandma next Sunday

4. The book is interesting. I can read it twice

-> The book is interesting enough to read it twice

5. She shouldn't stay up late

->She ought not to stay up late

6. She has long straight brown hair

-> Her hair is straight brown

7. The water is too hot for him to drink

-> The water isn't so hot that he drink

8. The weather is so cold that we can't go out

-> The weather is too cold for us can't go out

9. It's not necessary for you to stay up late

-> You don't need to stay up late

10. Playing with matches is very dangerous

-> It's very dangerous to play with matches

11. It's dangerous to put a knife into an electrical socket

->Putting a knife into an eclectrical socket is dangerous

Answer 2

[Xuân Dinh]

1. Swimming in this river is very dangerous

->It's VERY DANGEROUS TO SWIM IN THIS RIVER.

2. They must tidy the school yards

-> They have TO TIDY THE SCHOOL YARDS.

3. She intends to visit her grandma next sunday

-> She is GOING TO VISIT HER GRANDMA NEXT SUNDAY.

4. The book is interesting. I can read it twice

-> The book IS SO INTERESTING THAT I HAVE READ IT TWICE.

5. She shouldn't stay up late

->She ought NOT TO STAY UP LATE.

6. She has long straight brown hair

-> Her hair IS LONG, STRAIGHT AND BROWN.

7. The water is too hot for him to drink

-> The water isn't COOL ENOUGH FOR HIM TO DRINK.

8. The weather is so cold that we can't go out

-> The weather IS NOT WARM ENOUGH FOR US TO GO OUT.

9. It's not necessary for you to stay up late

-> You don't NEED TO STAY UP LATE.

10. Playing with matches is very dangerous

-> It's very DANGEROUS TO PLAY WITH MATCHES.

11. It's dangerous to put a knife into an electrical socket

->Putting a knife INTO AN ELECTRICAL SOCKET IS DANGEROUS.