Ⅰ.单句语法填空

1．(2015·重庆，阅读C)I don't see how musical instruments can help improve ________ (manner)in public.

2．(2014·重庆，阅读A)Soon，I heard her ________ (scream)，“Take your shoes away! Why under my bed！”

3．Even the best writers sometimes find themselves ________ (lose)for words.

4．(2014·江西，阅读A)After the first expedition，Larry's later diving ________ (adventure)only got better and better.