在“When the teacher put the powder into milk，it became green．”这个句子中，“it”指的是什么？
举一反三
- 在“When the teacher put the powder into milk，it became green．”这个句子中，“it”指的是什么？ A: teacher B: 无法确定 C: milk D: powder
- When the child was （） milk, he became very thin and sick. A: stopped B: denied C: forbidden D: prevented
- How to address your teacher Jim Green?: Jim|Mr. Green|Teacher Jim
- I knew Mr. Green _____________I knew Mrs. Green.
- Powder when mixed with water __________.