If you are worried that the tickets will be sold out,you can buy a ticket________.
42. You’d better start it right away ______ you forget it.
41. If it ______ for the fence, he ______ into the river. A. were not; fallenB. had not been; could have fallen C were not; could fall D. had not been; could fall
40. I could have offered you some help last weekend, but I ______ with my work at that time.
39. ______ choice you make matters little to the final result of the discussion.
38. You can’t imagine ______ when they heard the news ______ their team had won.