选用框内词组的适当形式填空。
--I'll play checkers with my brother 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!