初一英语动词填空(一)

初一英语动词填空(一)
Mary isn't old enough ___ (ride) a bicycle
enough后面加什么?to do?
Let's wait until the rain ___ (stop)
stops?还是stop
It's too late .Millie ___ (have to ) go home quickly
Don't ___ (follow) me all teh time .I'm too busy
是follow还是following?
It's so cloudy.I think it ___ (rain)