同义词改写,每空一词
1.The workers are at work in the factory now.
The workers ______ ______ in the factory.
2.The girl is under the tree .she is my sister.
The girl_____ ______ _____is my sister.
3.Mr Hand ______ ______ _______his students.
第三题原题
Mr Hand and his students are talking.
请说明理由