利润只跟人工费有关。
参考答案:错
选词填空。
am are is my your his her
1. My grandma eighty. My father is son (儿子). name is Peter.
2. That's Mary. I brother. name is Bob.
—Could you tell me ________ at the meeting?
—Sorry. I don’t know. I was not at the meeting.
A. what did he say B. what he says C. what he said