1.keeping the environment clean is very important.-It's
2.It's three years since I last spoke to her-I haven't
3.How long is it since you used the car-When
4.We started living here 15 years ago-We have
5.We can't drink the water because it's too hot-The water isn't
6.It has been raining for five hours-It started
7.To help mom at home is a good activity-It is
8.I started learning English three years ago-I have
11.Sue is the most intelligent in her class.-No one
13.No one has used this room for years-This room
14.This question is difficult to understand-It's
15.Many people in the world speak English-English
1.keeping the environment clean is very important.-It's
=> It's very important to keep the environment clean.
2.It's three years since I last spoke to her-I haven't
=> I haven't spoken to her for three years.
3.How long is it since you used the car-When
=> When did you use the car?
4.We started living here 15 years ago-We have
=> We have lived here for 15 years.
5.We can't drink the water because it's too hot-The water isn't
=> The water isn't cool enough for is to drink.
6.It has been raining for five hours-It started
=> It started raining five years ago.
7.To help mom at home is a good activity-It is
=> It is a good activity to help mom at home.
8.I started learning English three years ago-I have
=> I have learned English for three years.
11.Sue is the most intelligent in her class.-No one
=> No one in her class is more intelligent than Sue.
13.No one has used this room for years-This room
=> This room has not been used for years .
14.This question is difficult to understand-It's
=> It's difficult to understand this question
15.Many people in the world speak English-English
=> English is spoken by many people in the world.
1. It's very important to keep the environment clean.
2. I haven't spoken to her for three years.
3.When have you used the car ?
4.We have live here for 15 years.
5.The water isn't cool enough to drink.
6.It started raining five-hours ago.
7.It is good for helping mom at home.
8.I have learnt English for 3 years.
11.No one is as intelligent as Sue.
13.This room hasn't been used for years.
14.It's difficult to understand.
15.English is spoken in the world by may people.
