№1
1. Everest is the highest mountain on the Earth
2. Daffodil is the symbol of Wales
3. Cardiff is the capital of Wales
№2
1. Went
2. Did you see
3. has written
№3
1. was studying
2. were sitting
3. was not listening
4. was talking
№4
1. many
2. much
3. much
4. many
5. much