题目

我国地势第二级阶梯上的地形类型主要是 A．山地和高原         B．山地和丘陵         C．丘陵和平原         D．高原和盆地 答案：D关键语法（1）Why don’t you talk to your best friend？(改为同义句)________ ________talk to your best friend？（2）She didn’t go out to play．She read books in the classroom instead．(合并成一个句子)She read books in the classroom________ ________going out to play．（3）They will give my bike back to me．(改为同义句)They will________my bike________me．（4）They went to bed after they finished their homework．(改为同义句)They________ ________to bed________they finished their homework．（5）I hope you will feel better soon．(改为同义句)I________you________ ________better soon．