Miss Brown is having a lot of trouble with the washing machine, but she doesn’t know whom to _____ for help.
56. I found _______impossible for _______to work out the maths problem.
57. Few pleasures can equal _____ of a cool drink on a hot day.
58. I hate ______ when people talk with their mouths full.
59. Mary learned Chinese for about two years, _______is, from 1993 to 1995.
60. She is doing her homework .I'll do_______.