20. We tried hard, and eventually, we were able to get Mike ____us his car just for a day.

A. lending　　　　　　 B. lend　　　　　　 C. to lend　　　　　　　 D. lent

19. Susan started to clean the room; __________Lily was preparing lunch.

A. however　　　　　 B. but　　　　　　 C. meanwhile　　　　　　 D. when

18. Had you joined the caht room ten minutes ago, you would have known what we _______about then.

A. had talked　　　　　 B. have talked　　　 C. talk　　　　　　　　 D. were talking

17.It is too bad for someone in such a high _______ in the government to behave badly in public.

A. position　　　　　 B. situation　　　　　 C. profession　　　　 D. condition

16. ----Why are your hands so dirty?　

-------I ____________in the garden.　

A. was working　　　 B. have worked　　　 C. worked　　　　　 D. have been working

15. If I can help ____, I don’t like working late into the night.

A. so　　　　　　 　　B. that　　　　　　 C. it　　　　　　　　 D. them