If he ________ quietly as the doctor instructed, Ronald would not suffer so much now.
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.
37. I would rather you ______ in my school, Mom.
36. How can you know whether you will succeed ______ you never try?