Does Tom know anything about theaccident that happened to his father— No. We ____ him anything about it.

Shanghai, the largest city in our country, is _______the east of China and_______the west of Japan.

The dictionary is a useful for understanding new words. — I think so.

Oneof the most important questions they had to consider was _____of public health

The calculations, had they been done by hand, ______all practical value by the time they were finished