How many volcanoes do we have on Earth? What does the word "dormant" mean?What is lava?Do we have Volcanoes in Africa?What does it mean that a Volcano erupts?What does it mean that a volcano is 'extinct?​

"What were you doing when the phone rang? " "I was watching television. " "Was Jane busy when you went to see her?" "Yes, she was studying.

3. "What time did Tom come yesterday?" "He came while I was having breakfast.

4. "Was Mary at school last week?" "No, she didn't go to school. She was ill. "

5. I "How fast were you driving when the police stoped you?" "I don't know exactly but I wasn't driving very fast. " " Did Your team win the football match yesterday?"No, the weather was very bad, so we didn't play."

7. "How did you break the window?" "We played football and then hit the win-

dow. "

8. "Did you see Jenny last night?" "Yes, she was wearing a very nice jacket. "

9. "What were you doing at 10 o'clock on Sunday?"I was still sleeping."

10. "I lost my key last night. "How did you get into your room?"