27. He didn't pass the exam ... he didn't

(a)  

28. The picnic was canceled ... the rain.

(a)  

29. The roads were slippery ... the ice.

(a)  

30. They were happy ... the good news.

(a)  

31. She stayed home ... she was sick.

(a)  

32. He couldn't concentrate ... the noise.

(a)  

33. The flight was delayed ... technical issues.

(a)  

34. The event was postponed ... the weather.

(a)  

35. She was promoted ... her excellent performance.

(a)  

36. He stayed in bed ... he was feeling ill.

(a)  

37. They couldn't go outside ... the heavy rain.

(a)  

38. She missed the meeting ... her car broke down.

(a)  

39. The performance was canceled ... technical difficulties.

(a)  

40. They were late ... the traffic jam.

(a)  

41. You won't attract many viewers or subscribers ... your content is original.

(a)  

42. Mrs. Bunga isn't coming today, so the students have to write the essay.

(a)  

43. She will remain at home ... she has no activities outside.

(a)  

44. He’s hard to understand ... his accent.

(a)  

45. They relocated to Liverpool ... her job.

(a)  

46. There have been numerous issues in Britain ... mad cow disease.

(a)  

47. They moved to London ... he secured a job there.

(a)  

48. He wrecked his car ... he was speeding.

(a)  

49. I adore Switzerland ... the climate.

(a)  

50. He arrived at work extremely late ... he missed his train.

(a)