16.　 How many___________ of water do you want? (glass)

15.　 He has gone to the _________ office. (teachers)

14.　 The ________ enjoyed themselves at the party. (child)

13.　 There are many ________over there. ( factory)

12.　 How many _______ do you have? ( knife)

11.　 There are hundreds of ____________ on the hill. ( sheep )

10.　 Are there any ____________ near here? ( library)

9.　　　 They are policemen. _____________are afraid of them. ( thief)

8.　　　 I can see some _______________ in the basket. ( potato)

7.　　　 There were several _________________ at the meeting. ( German)