题目内容
请填上合适的关系代词
This is all ________ I want to have.
先行词为不定代词,关系代词用that。
The lady ________ you wish to meet has come.
A dictionary is a book ________ can help you to get the meaning of a word.
She is the only one ________ knows German among us.
This is the professor from ________ we have learned a lot.