选择:We found the book _____.So each of us bought one.A.be usual B.very usual C.to be usual

问题描述:

选择:We found the book _____.So each of us bought one.A.be usual B.very usual C.to be usual
D.can be usual

B.very useful 非常有用的
find sth+adj,发现某物怎么样