7) Replace the bold words with a subject pronoun or a possessive adjective
1. She
2. her
3. Their
4. They
5. We
6. Our
7. It

8) Complete the questions 
1) Are you Canadian? Yes, i am
2) Is it ten o'clock ? No, it isn't 
3) Are they friends? No, they aren't
4) Is Elena from the UK? No, she isn't
5) Are we in the room 2? No, we aren't 
6) Am I late? Yes, you are

9) Order the words to make questions.
1. Are you in class 2A ? No, I'm not
2. Are we on page 11 ? 
3. Is it lunchtime now ?
4. It is Tuesday today ? Yes, it's 
5. Is Mr Brown from the USA ? Yes, he's

10) Complete the questions with the correct form of be  
1) Is
2) Is
3) Is
4) No, she isn't
5) Is
6) Yes, she's
7) Are
8) No, I'm not
9) Are
10) Yes, they're
11) Are
12) Yes, I'm