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.