1. The Class3, Grade 7 students are __________(计 划) a trip to the Great Wall.
2.We don’t know who are the __________ (主人) of these cars.
3.The boy ___________ (迷失) his way and couldn’t find his mother.
4.Go and see who’s ___________ (敲)at the door.
5.“Work harder,” he often says to _____________. (he)
6.We’d better drive our cars ____________ on rainy days. (slow)
7.There are twelve ____________ in a year. (月份)
