2. The speed of tornadoes is always the same.
3. Tornadoes cannot damage property.
4. Tornadoes mostly happen in specific places of the planet.  
5. One of the strongest tornadoes happened at the end of the 20th century in America.
​

1. 1) false 2) false 3) false 4) false 5) true 6) false
2. 1) b 2) c 3) d 4) b
3. 1) a 2) a 3) c
4. 1) Jim can lift the box
2) Sarah can’t play the guitar
3) can you swim?
4) Michael can’t speak English
5) my parents can cook very well
5. 1) yes, they can 2) no, they don’t 3) no, it isn’t 4) no, I don’t 5) yes, she does
6. A1) have 2) has 3) has 4) have 5) have
8. 1) Why do you like this school?
2) When does your sister play the piano?
3) does he like good music?
4) they play tennis in the park
5 where does your brother play football?

1.
1. is singigng
2. am flying
3. am writing
4. are working
5. is eating
6. are going
7. are watching
8. is waiting
9. are diong

2.
1. She isn't reading a book now.
    Is she reading a book now?
2. We aren't listening to music.
  Are we listening to music?
3. They aren't going to wash the car.
    Are they going to wash the car?
4. He isn't cleaning his bedroom now.
    Is he cleaning his bedroom now?
5. They aren't swimming in the river.
    Are they swimming in the river?
6. The children aren't playing basketball in the garden. 
     Are the children playing basketball in the garden?

3.
1. Be quiet! Mum is sleeping.
2. What are you doing now?
3. The dog is playing with a ball.
4. I am not watching TV. I’m listening to music.
5. The children are drinking milk in the kitchen.
6. He is having a bath.
7. Why are you laughing?

4.
1. Why are you looking at me?
2. Is she washing dishes now?
3. What are you reading?
4. Where is she going?
5. Are your parents travelling abroad?
6. Is she wearing a nice dress?
7. Is that clock working?

5
1. Yes, he is.
2. No, she isn't.
3. Yes, I am.
4. No, it isn't.
5. No, he isn't.
6. Yes, they are.
7. No, they aren't.

6.
1. They are learning English.
2. She is playing tennis.
3. You are drinking milk.
4. What are they doing?
5. Where are your friends staying?
6. He is going to the shops.
7. I am not talking on the phone.

7
1. e
2. f
3. d
4. a
5. b
6. c.