Kangkang usually goes to school by _______.

Mike: I always forget what I want to buy when I go to the market. Oscar: Well, you can make a 　　　 of things you want to buy.

Which sign(标志) means “turn left”?

 -- Could you tell me something about the boy who helped you just now? -- Sorry, I know nothing about him. We are______.

—On my way home I found a new bag but I don’t know whose it is. —Well, I’ll help you find its         .