单项选择题
When the railway is completed, we（）get to town much easily.
A.must B.would C.are able to D.will be able to
单项选择题 You（）buy some reference books when you go to college.
单项选择题 The atmosphere（）certain gases mixed together in definite proportions.
单项选择题 Neither John（）his father was able to wake up early enough to catch the morning train.
