Sara, you must look after ....................... in this cold weather.

When you have answered the questions on page 104, ...... you raise your hands, please?

Mr. Jackson has worked at our university ............................... a very long time.

I'm ready to submit my term paper. I ...... on it for a month.

While my wife and I were in Austria last winter, we ......... skiing in the mountains.

Choose the correct order to make the following sentence into a paragraph. (1)In front of the station. (2)He will meet yo…