Question

Заполните пропуски модальными глаголами can, may, must, should. 1. In man, obstruction of the common duct ... produce abdominal symptoms and increase of serum amylase. 2. An ulcer .... only on an epithelial or mucosal surface. 3. Appendicitis ... be of different grades of intensity. 4. In an attack of acute appendicitis nb food ... be taken by mouth and no water except in very small sips. 5. There was general agreement that the patient\'s diet .. be rich in protein and carbohy drates, but poor in fat.

Answer 1

1.can
2.may
3.may
4.should
5.must

Answer 2

1. In man, obstruction of the common duct may produce abdominal symptoms and increase of serum amylase.
2. An ulcer may occur only on an epithelial or mucosal surface.
3. Appendicitis can be of different grades of intensity.
4. In an attack of acute appendicitis no food must be taken by mouth and no water except in very small sips.
5. There was general agreement that the patient's diet should be rich in protein and carbohydrates, but poor in fat.