鸢卿漓殇12. Whenever ammonia is added to this liquid, its colour changes to organge.
13. I wondered if you could lend me your car.
14. I hear that old Henry died last night.
15. This tape recorder is easy to operate. Watch what I do. I switch it on, press this button and it starts.
Ex. 11D
1. is living 2. live 3. is…standing 4. stands 5. sees 6. is getting 7. are…spending 8. boils 9. is boiling 10. is getting 11. is always writing 12. are…talking about 13. write, know, is doing, Does your son write; hear, seems 14. are always hammering; keeps, begins, hear, shakes 15. smell; do, think, is coming, is probably ironing, irons, watches, gets, forgets, is pressing, is thinking 16. is running; passes, kicks; heads, misses; hits, bounces; is happening; is lying; is holding; is running; is running; is blowing
