20．It’s an_______________（有趣的）computer game

19．Let's p_______________ ping-pong．

18．Does your brother h _______________a baseball?

17．The CDs are in the ______________（抽屉）．

16．My telephone n _______________is 8643―1860．

15．Is your knife in the l _______________and found case?

14．A set of _______________（钥匙）is on the desk．

13．I have a P________ of my family．

12．S _______________is the first day of the week．

11．Mr．Smith is John’s f ________．Mary is his daughter．