句型转换
He went to sleep after he finished his homework. (同义句转换)
He _____ _____ to sleep until he finished his homework.
There will be more trees and flowers in the city in five years. (否定句)
There______ ______more trees and flowers in the city in five years.
He got up early. He could catch the bus. (合并为一句)
He got up early ______ ______ he could catch the bus..
He reads English once a day. (对划线部分提问)
_____ _____ does he read English?
He is too young to go to school. (改为否定句)
He is ______ young ______ he can’t go to school.