26． They enjoy ______ (read) science books and ______ (write) novels.

25. The teachers are always ______ (friend) to us.

24. How many ______ (foot) does an elephant have?　

23. This story is ______ (interesting) than that one.

22. Mrs Lee is a kind and ______ (love) grandmother.　

21. The boy is always ______ (fun). He often makes us laugh.

20. -Why________you________(not come)last time? -Because I________(be)ill.

19. Please________(look)after the little boy. Don't let him________ (cry).

18. We________(visit)that factory next week.

17. Look!The old man________(get)on the bus.