当约翰步行去学校时,他在一棵树上看见一只猫。When John________ ________to school,he saw a cat________a tree.
Changes of price in the 1990s the beginning of the fast development age of TV(标志)
Good chances always hide around us,waiting for careful people to find them.(某处)
Mr.Li is to us how to organize our ideas according to the type of writing (解释)
Some young students like books better than paper books (电子的)
We often borrow novels and from our school library (杂志)