41. When I drive to __________ work, usually __________ highways are really busy. If there’s________accident during _________ rush hour, it can be _________ chaos on the roads. A. φ – the – an – φ - φ B. φ – φ – an – the – the C. φ – the – the – a -φ D. φ – φ – φ – the – φ 42. “Do you mind if I switch the light off?” – “_________________” A. Yes, I mind it, sorry B. What if I don’t mind it? C. Yes, please do it. D. I’d rather you didn’t, if you don’t mind. 43. On __________ he had won, he jumped for joy. A. he was told B. having told C. being told D. telling 44. How much longer do we have to wait? This is starting to get on my ____________. A. mind B. back C. nerves D. nose 45. Geometry is the branch of mathematics _____________ the properties of lines, curves, shapes, and surfaces. A. that concerned with B. it is concerned with C. concerned with D. its concerns are 46. The defenders ____________ the enemy until reinforcements arrived. A. held down B. held out C. held away D. held off 47. The stolen jewels were _____________ a lot of money. A. priced B. worth C. cost D. valued 48. All the characters in the book are ______________. A. images B. imagination C. imaginary D. imaginative 49. It is imperative that this letter _____________ immediately. A. were sent B. sent C. was sent D. be sent 50. When he was presented with a prize for his latest book he was lost for ____________. A. thought B. words C. speech D. talk