单项选择题
We forgave her anger because we knew that her father's illness had put her under great （）
A.shelter B.crisis C.stress D.nervousness
单项选择题 An explosion is a sudden increase in amount（）
单项选择题 Some say yes and others say no; I don't know （）to follow.
单项选择题 Shall we request the chairman（）our suggestion again?
