单项选择题
Rich as they were in forms，the speaker’s （）seemed unrelated to his speech.
A.signsB.gesturesC.symptomsD.symbol
单项选择题 The public has appealed to the government to find a （）to the problem ofpollution.
单项选择题 We were very （）by the poor response from the parents.
单项选择题 Opportunities to practice the language are （）.
