Signs can be seen on the roads.___ can people see them?

Signs can be seen on the roads.___ can people see them? Signs can been seen on the road._____ can people see them? Signs can been seen on the road._____ can people see them?这个 There are signs on the rodes.______can people see them? We can see some people ___ on the beach. 英语翻译Colors can be seen everywhere.We see them in the sky and people can---------- running everywhere.see 和 be seen选哪个 We can see people in them.But the people in them can't see u We can see people in them.But the people in them can't liste A box and two books _____ on the desk.Can you see them?（be动词 As you can see,the number of traffic accidents on roads ____ As you can see the number of cars on our roads keeps rising