25. The workers ( is, are, have ) building the house now.

24. ( What, Where, Who ) are you doing, Jack?

23. You have grown so much ( tall, taller, tallest )　 within a month!

22. Jamie is ( look, looks, looking ) forward to the party.

21. My uncle from Penang ( is, are, am ) visiting us this Friday.

20. Mr Tan told ( her, its, his ) daughter, "Don't forget your umbrella."

19. I can ( smell, smells, smelling ) the fragrance mother is wearing.

18. Josh needs to ( put, puts, putting ) in more effort to do well.

17. I cannot decide ( between, among, along ) buying the blue cap or the black

　　 one.

16. Tim and Joe are ( go, goes, going ) to the library together.