If you are asked the question “What colour is the sky?” I be

If you are asked the question “What colour is the sky?” I believe you will answer blue.___1____ I am afraid you are ____2____. The sky has no____3____. When we see blue, we are looking at the blue sunlight. The sunlight shines on the little bits of ____4____ in the air. Is the sky ____5____ of air? I am ____6_____ that you have been asked this question, too. We know that there is air all around the world. We could not live ____7____ air. Planes could not fly if there is not any air. They need air to ___8____ their wings. If we go far _____9____ away from the earth, then we will find there is not any air. Perhaps we can answer some of our questions now. What is the sky? The sky is ____10____. It is all around the world. In ____11____ space there is nothing____12____ the sun, the moon and the stars. The sky is____13____ , seen from the moon. It has no colour where there is no ____14____ in fact. How _____15____ the universe is! ( )1.A So B Then C But D And ( )2.A wrong B right C good D sorry ( )3.A air B water C color D things ( )4.A dust B things C water D rain ( )5.A filled B full C out D all ( )6.A think B surely C clear D sure ( )7.A with B not C but D without ( )8.A rise B lift C pick D put ( )9.A enough B too C very D quite ( )10.A space B air C nothing D stars ( )11.A the B / C a D this ( )12.A and B beside C but D without ( )13.A white B black C blue D green ( )14.A air B sun C moon D stars ( )15.A nice B strange C beautiful D big