单项选择题
The atmosphere（）certain gases mixed together in definite proportions.
A.composes of B.is made up C.consists of D.makesup of
单项选择题 Neither John（）his father was able to wake up early enough to catch the morning train.
单项选择题 We all thought（）pity that you were unable to attend our meeting.
单项选择题 I had my meals（）when I was ill in bed with a bad cold.
