—Jason wants to know if ______a school sports meeting  tomorrow?

—Yes, we will. But if it______, we'll have classes instead.[ ]

A. will you have：rains    

B. you will have: will rain    

C. you will have：rains    

D. will you have: will rain

START是启动位置，当启动发动机后应立即松开钥匙，这时候钥匙会自动回到（）位置。

A.ON

B.OFF

C.START

D.HEAT