Please don’t ask me to solve mathematical problems; they are beyond my ____.

–The new museum of art is an unusual ______.--But it is designed by a very young architect.

After three years’ study, Jane got a ________ for teaching English.

The _______, I think, he drew from his simple experiment is not scientific.

England is rather short of arable land , so it is absolutely dependent upon other countries for her food __________．