1. Complete the sentences. Put the verbs into the correct form:
1) Most things we want … …free in nature. (not/ be)
2) She ... a lot of different jobs in the firm. (do)
3) At the moment the director ... the problem and the secretary ... the telephone. (discuss, answer)
4) As our knowledge ... we ... more and more opportunities. (grow, exploit)
5) The growth of civilization ... largely the development of new wants. (be)
6) They ... at five o'clock most days but they ... late today. (finish, work)
7) Professional corporations ... more common now. (become)
8) We ... a meeting next week. (plan)
2. Complete the sentences using one of the given verbs and verbal phrases in the Present Simple or the Present Continuous; mind the use of the Active or Passive voice.
a)be, have, appear, mean, do, be going to have, be
1) Economics ... the first art which man acquired.
2) We ... limited resources both in rich countries and poor countries.
3) By wealth the economist... all the real assets which make up our standard of living.
4) ... there any justification for protecting certain industries from foreign competition?
5) More and more economists ... on the payrolls of large corporations now.
6) They ... the skills they need to teach economists.