Insert the correct form of may, might or be allowed form:

You ought to buy now; prices ... go up.

... I got when my friend hit me in the eye during our quarrel.

The excessive construction of dams, for example, causes the ... of rivers.

Choose the appropriate word - "My husband had been out of work for almost a year. Though he was paid ..., we were terribly short of money." 

Call in one word: a medical examination, taken at regular intervals to verify a normal state of health or discover a disease in early stages

If you cut your hand, ... 

As a result of volcano eruptions, forest fires, industrial wastes; water becomes polluted with products not completely burned.

Put the verbs in brackets into the correct tense (present or future):

She won't open the door unless she (know) who it is.

You want to buy some sugar and flour. You’ll go to:

Choose the appropriate word:

My husband had been out of work for almost a year. Though he was paid ..., we were terribly short of money.