单项选择题
No effective（）has been found for this fatal disease which claims thousands of lives each year.
A.settlement B.method C.remedy D.prescription
单项选择题 That's really typical（）John. He says he'll come but he never turns up.
单项选择题 In Britain people（）four million tons of potatoes every year.
单项选择题 This machine works very well so long as no one（）with it.
