用can造句.肯定句.否定句.一般疑问句（带回答,两种都写）每种三个.快.

肯定句If you think you can,you can!I think I can catch the bus.I can draw animals in the zoo.否定句I can't afford itI can't promise.You can't talk to a robot.The baby can't feed itself yet.一般疑问句C...