The riseof oil prices made scientists search for new energy resources ______ oil

The longest bridge linking Hongkong to Chinese mainland at Zhuhai and Macao in a giant Y- shape, is due to be completed by 2015 and to be in use for 120 years.

I must return the camera to Cindy I______it for two weeks

What do you think of the movie The Wolverine—____________. It is so exciting!

Have you finished your homework _______ – No, I haven’t finished it ________.