• B2 2- I have 3- I have 4- i´m 5- I´m 6- is 7- is 8- are 9- is 10- is 11- is 12- are .

• B3 2- they´re 3- they´re 4- we´re 6- i´m 7- she´s 8- they´re 9- it´s 10- it´s .

• A3 2- c 3- d 4- a.

• B 2- it 3- you 4- it 5- you 6- we.

• 1 2- desks 3- computers 4- calendary 5- book 6- students.
• b 1- chairs 2- hause 3- books 4- pencils 5- teachers 6- girl