7. This book will show you __________ can be used in other contexts.. A. how you have observed B. what you have observed C. that you have observed D. how that you have observed这题选B问题是：B的话,前面应该有个how吧,不然句子说不通啊,how可以省略么. 这本书向你展示.【应该是】“如何”把你观察到的东西用到.里面 不然句子不通

7. This book will show you __________ can be used in other contexts..
A. how you have observed
B. what you have observed
C. that you have observed
D. how that you have observed
这题选B
问题是：B的话,前面应该有个how吧,不然句子说不通啊,how可以省略么.
这本书向你展示.【应该是】“如何”把你观察到的东西用到.里面
不然句子不通