21. _____ extremely bad weather in the mountains, we’re no longer considering our skiing trip.
A. Due to B. Because C. Since D. Due to the fact that
22. Barbara is motivated to study _____ she knows that a good education can improve her life.
A. therefore B. because of C. because D. so
23. I can’t ride my bicycle _____ there isn’t any air in one of the tires.
A. despite B. since C. although D. but
24. Mike used to be an active person, but now he has to limit his activities _____ problems with his health.
A. nevertheless B. in spite of C. although D. on account of
25. It should be easy for Peter to find more time to spend with his children _____ he no longer has to work in the evenings and on weekends.
A. even though B. now that C. due to D. but
26. _____ Daisy has a new car, she no longer takes the commuter train to work. She drives to work every day.
A. Now that B. While C. Although D. In case
27. I ask Mary to run the office while I’m away _____ I know I can depend on her.
A. unless B. although C. as D. therefore
28. Animals have died _____ coming into contact with this chemical.
A. instead of B. regardless of
C. with the aim of D. as a consequence of
29. _____, the sails of a distant ship are visible fefore the bod of the ship.
A. Because the curve of the Earth
B. The curve of the Earth makes
C. The Earth, in that it curves, makes
D. As a result of the curve of the Earth
30. The prisoners were prevented from speaking to reporters because _____.
A. not wanting the story in the papers
B. the story in the papers the superintendent did not want
C. the public to hear the story
D. the superintendent did not want the story in the papers
