Dave was making a model plane in the classroom at that time.(对划线部分提问)
Dave making a model plane at that time?
They will study abroad after they finish high school. (改为同义句)
They won't study abroad they high school.
The newly﹣opened supermarket had something on sale last Sunday. (改为一般疑问句)
the newly﹣opened supermarket anything on sale last Sunday?
Whose schoolbag is on the desk?Father asked.(合并为含有宾语从句的复合句)
Father asked schoolbag on the desk.
Mr.Black decided to send his son to China.(改为同义句)
Mr.Black the to send his son to China.
The waiter took away the plates after we finished eating. (改为被动语态)
The plates away by the waiter after we finished eating.