17．I want __________(buy)a dictionary for my sister．

16．I think you can do it __________(you)．

15．December is the __________(twelve)month of the year．

14．This is my __________(parent)room．They like it very much．

13．Can you tell __________(we)the name of the biology teacher?

12．I get up，brush my __________(tooth)and then eat breakfast．

11．The red sweaters are on __________(sell)．

10．The little girl __________(说)English very well．

B．根据句意，用所给单词的正确形式填空。

9．Tomorrow is Ken's mother's __________(四十二)birthday．

8．There are two Chinese __________(节日)this month．