The weather in Inner Mongolia is always dry, but sometimes it _____ rain heavily. 

—Why didn’t you come to my birthday party last night? —I planned to, but my parents simply 　　　   not let me out so late at night.

 You ______ to the meeting this afternoon if you have something important to do.

Tom’s score on the test is the highest in the class. He _____.

—Will you buy me a new iPod, Dad?—OK. You __________have one if you promise to take care of it.