1) The United States (has, have) a population of around 250 million.
2) The news about Mr. Hogan (is, are) surprising.
3) Massachusetts (is, are) a state in the northeastern part of the United States.
4) Physics (seeks, seek) to understand the mysteries of the physical world.
5) Statistics (is, are) a branch of mathematics.
6) The statistics in that report on oil production (is, are) incorrect.
7) Fifty minutes (is, are) the maximum length of time allowed for the exam.
8) Twenty dollars (is, are) an unreasonable price for the necklace.
9) Six and seven (is, are) thirteen.
10) Many people in the world (does, do) not have enough to eat.
11) The police (is, are) prepared in case there is a riot.
12) Rabies (is, are) an infectious and often fatal disease.
13) The English (is, are) proud, independent people.
14) English (is, are) not my native language.
15) Many Japanese (commutes, commute) to their places of work.
16) Portuguese (is, are) somewhat similar to Spanish, (isn't, aren't) it?
17) The poor (is, are) helped by government programs.
18) The effect of a honeybee's sting on a human being (depends, depend) on that person's susceptibility to the bee's venom. Most people (is, are) not in danger if they are stung, there (has, have) been instances of allergic deaths from a single honeybee sting.