*act of making something impure by adding substances that are dangerous = *Rain that is made acid by gases released from factories = *the increase in temperature of the earth ‘s atmosphere = *waste matter from houses, factories, towns = *substance that pollutes = *illness of the body = *chest illness that cause difficulty in breathing = ​

Does your brother play the trumpet?

No,he doesn't

•

Do you like cycling?

Yes,we do

•

Does Susan know the answer?

Yes,she does.

•

Do they have eggs for breakfast?

No,the don't

•

Does your grandma read a lot of books?

Yes ,she does

•

Do your parents like pizza?

Yes,they do

•

Do you understand the exercise?

No ,i don't

•Do we play together

Yes,we do

•Do you brush your teeth every day?

Yes,i do

•Do you live in a farm

Yes,we do

•Does your uncle sing in the shower?

Yes ,he does

•Does Peter travel by plane?

No he doesn't

•Does your father go bed early?

No he doesn't

•Do you go to school by bus?

No , i don't