26.　 ________________ fall in autumn. ( leaf )

25.　 The guests come from different _______________( country )

24.　 Mr Brown has two ______, a son and a daughter. ( child)

23.　 How many ________ are there in your school? ( class)

22.　 There are about twenty ___________ in the zoo. ( monkey)

21.　 We have three ________, one is old, the other two are new. ( piano)

20.　 You’d better take the medicine, three_______a day, after meals. ( time)

19.　 Two ________ will visit our school. (German)

18.　 We can get wool and mutton from________(sheep).

17.　 A dog has four __________(foot).