单项选择题
I thought that，（）the response of the audience，I had made an effective speech.
A.judging byB.judging atC.judged byD.judged from
单项选择题 He could not guess how they managed（）.
单项选择题 If they would come，he（）Martin buy this equipment.
单项选择题 The country is（）known deposits of coal and iron.
