The boy was doing homework while his mother      dinner.

Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday. 

 —Have you watched Feng Xiaogang’s new movie Personal Tailor?—Yes, of course. I ________ it last week with my parents.

--Where did you go on vacation?   --I ___________.

-–I hear you __________ your project at the end of last week.-–In fact, I __________ it by the end of last month.