Question

Answer 1

IV.
1. were you doing
2. stop
3. watching 
4. passed
V.
1. culture
2. inserted
3. Luckily
4. development
VI.
1. C
2. B
3. D
4. C
VIII.
1. B
2. D
3. A
4. C
IX>
1. The prices of goods should be governed by the law of supply and demand.
2. He suggested that I put my luggage under the seat.
3. If you aren't tall, you can't take part in the volleyball team at school.
4. I haven't met my grandmother since my gather's birthday party.
5. No mountain in the world is higher than Mount Everest.
6. The sea was too rough for the children to go swimming.