Because of the bad weather, my mother ____ and lay in bed. She ______ for a week. 

A major search has been_____ for  a Malaysian Airlines jet with 239 people on board after it lost contact flying from Kuala Lumpur to Beijing.

I have to see the doctor because I ________ a lot lately.

In the last few years thousands of films ________ all over the world.

 Tom ________ in the library every night over the last three months.(2011·北京)