几道英语定语从句的题目~{急}
问题描述：
几道英语定语从句的题目~{急}
翻译括号中的内容
The students ______________(叫到名字的）stood up.
题目要求：Complete each sentence with a suitable preposition and whom or which.
1.The keys ______________ he opens the doors have been lost.
2.A change ______________ no new substance is formed is a physical change.
答
who was called
1.with which
2.in which