问题描述:
Don't use words,expression,orphrases_______only to people with specific
knowledge.
A being known
B having been known
C to be known
D known
我想问这句中文?
应该填哪一个?
knowledge.
A being known
B having been known
C to be known
D known
我想问这句中文?
应该填哪一个?
问题解答:
我来补答展开全文阅读