Baif 16:
1, Do you put any effort on your work?
2,How many goose do you own?
3,She doesn't show her interest in my paiting
4,There are not any boys in my class
5,Have you bought the jamp yet?
6,There are some apples but there are not any oranges
7,There are not any eggs in the fridge so I buy some eggs
8,Up to now, I haven't read fiction book.
Baif 18:
1,c
2,c
3,b
4,d
5,d
6,d
7,b
8,a