13．You can't ________(possible)run a mile in two minutes．

12．The famous pop singer will ________(interview)by the local newspaper next week．

11．I have ________(confident)in improving my spoken English．

10．Bad luck! I missed the early bus because I o________ this morning．

(C)根据句意，用所给单词的适当形式填空。

9．The mother was w________ because her son hurt his leg in a car accident this morning．

8．Parents should e________ their children to behave well．

7．He was so careless that he d________ the bowl on the floor．

6．There are some books about music on these book s________．

5．I ________(想知道)why you were late for school this morning．

(B)根据句意和所给的首字母提示，补全句子中的单词。

4．The temperature will be ________(低于)zero．You'd better put on your coat．