The lake is calm and clear, and one of the things that _____in the water is the famous tower.

Not only I but also Jane and Mary ____ tired of having one examination after another.

The teacher together with the students ________ discussing “Reading Skills” that ________ newly published in America.

---- A number of voiunteers _____ willing to teach in China’s rural areas.----- Yes. The number _____ getting bigger and bigger.

 The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.(2011·江苏)