What were you doing when you heard Malaysian airlines flight lost?—I my homework.
I have lots of work to do now. I don’t have time ________________ you.
He doesn’t tell me when he_______ . I’ll telephone you as soon as he______.
Don’t talk to me. My favorite pop star ________ on TV now.
Could you please tell me __________? — Sorry, you can turn to Mr. Li.for help.