I’m sorry to tell you that I________ on the play ground.

John’s success has nothing to do with good luck. It is years of hard work __________ has made him what he is today.

____a secretary for five years inthe company, and now he is the general manager of it

am sorry to have________much of your spare time.-That’s OK，and I am glad to help you.[ ]

He is ______to win the political campaign and becomes the president.