1. I know better than ____ him.
　　(A) believe (B) to believe (C) believing (D) believed
　　2. Old men sat on the park benches, watching the village youths ____ football.
　　(A) play (B) to play (C) playing (D) played
　　3. Never ____ very fond of cards, I made some excuse and went out for a walk in the garden.
　　(A) being (B) having been (C) have been (D) be
　　4. If only I ____ the books on the reading list before I attended the lecture.
　　(A) read (B) woald have read (C) have read (D) had read
　　5. If you had spoken clearly, you ____.
　　(A) would have been understood (B) be understood (C) can understand (D) can be understood
　　6. While crossing the mountain areas, all the men had guns for protection lest they ____ by the local bandits.
　　(A) be attacked (B) must be attacked (C) were attacked (D) would be attacked
　　7. Robots ____ "steel collar workers".
　　(A) are often referred to as (B) often refer to (C) name after (D) are often named after
　　8. I just saw John at the bookstore. I didn’t think he ____ back until tomorrow.
　　(A) was to come (B) will come (C) is coming (D) is to come
　　9. Tom said he wasn’t feeling well, ____?
　　(A) isn’t he (B) was he (C) wasn’t he (D) didn’t he
　　10. The science of medicine, ____ progress has been very rapid lately, is perhaps the most important of all sciences.
　　(A) to which (B) in which (C) with which (D) among which
　　11. Up went the prices, ____.
　　(A) down the living standard came (B) the living standard came down (C) down came the living standard (D) came down the living standard
　　12. He burned all the important documents ____ that they should fall into the enemy’s hands.
　　(A) unless (B) so (C) until (D) for fear
　　13. Although he is more serious ____ his studies than I am, my grades are better than his.
　　(A) with (B) about (C) for (D) at
　　14. They were just going to give up the question, ____ suddenly they found the answer.
　　(A) until (B) unless (C) after (D) when
　　15. Thinking that you know ____ in fact you don’t is a disastrous mistake.
　　(A) what (B) that (C) when (D) however

　　16. Aluminium as well as most metals ____.
　　(A) is a good conductor (B) are good conductors (C) is a good insulator (D) are good insulators
　　17. Yesterday our professor gave us a ____ assignment.
　　(A) twenty pages (B) twenty-page (C) twenty-pages (D) twenty page
　　18. A great effort must still be made ____ the ideas canbe turned into really.
　　(A) before (B) after (C) then (D) which
　　19. We have ____ various approaches to the problem.
　　(A) tried on (B) tried for (C) tried out (D) tried with
　　20. On entering another country, a tourist will have to ____the Customs.
　　(A) pass through (B) pass by (C) pass over (D) pass for