Mr. Smith didn’t go shopping. He stayed at home last night. (两句合并为一句)
Mr. Smith stayed at home ________ ________ going shopping last night
Whales are larger than any other animal on the earth. (保持原句意思基本不变)
Whales are ________ ________ animals on the earth.
We can save water by fixing the dripping tap. (对划线部分提问)
________ ________ we save water?
People don't know much about the life in deep seas, ________ ________? (补全反意疑问句)
The ship sank in the ocean at last. (改成否定句)
The ship ________ ________ in the ocean at last.
Children should __________ their rooms by themselves.
