A Sunny Day

　　It is beautiful sunny day. There isn't a cloud in the sky. Grey wants to have lunch outside. But we decide(决定) to have a swim first. After swimming, we have lunch under the trees. Then we lie(躺) in the sun for a while（一会儿）.In the afternoon, it begins to get cloudy. At five o'clock, we have to go back because it starts to rain.

　　根据短文回答下列问题

　　1.What do we do on a sunny day?

　　2.What do we decide to do first?

　　3.What's the weather like in the afternoon?

　　4.Why do we have to go back home?

　　5.When do we go home?