viết lại câu sao cho nghĩa ko đổi
1.dogs are difficult to train
- it's
2.they think that learning english is not easy
-they think that it
3.the children couldn't go swimming because the sea was rough
- the sea was so
4.remember to write a letter to me
- don't
5.i often walk from my house to the zoo in fifteen minutes
-it often
1.dogs are difficult to train
- it's difficult to train dogs
2.they think that learning english is not easy
-they think that it is difficult to learn English
3.the children couldn't go swimming because the sea was rough
- the sea was so rough that children couldn't go swimming
4.remember to write a letter to me
- don't forget to write a letter to me
5.i often walk from my house to the zoo in fifteen minutes
-it often takes me fifteen minutes to walk from my house to the zoo
thanks