选用括号内词组的适当形式填空
(all the time,go out for,have a picnic,play computer games,stay at home)
-I'll play checkers with my borther Fred on Saturday.How about you,Jim?
-I'm going to＿with my classmates.
-oh,I'm afraid you can't＿ a picnic.It's said this weekend will be raining hard＿.You'd better＿.
-But what shall I do at home?
-What about＿?I know you like it very much.
-Good idea!
并大体说下这篇短文的意思