The newspaper states that prices of all farm products are expected to go ______ soon.
A. down
B. back
C. by
D. down with
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Can you give me _____ was left？
A. all that
B. that
C. what that
D. it that
It was thought ______.
A.of impossible
B.of as impossible
C.as impossible
D.up as impossible
光气及光气化产品生产装置区域必须设置____监测及超限报警仪表，还应设置事故状态下能自启动紧急停车种应急破坏处理的自控仪表系统。
A. 氢气
B. 一氧化碳
C. 氯气
D. 光气
______ is money to him when he is dying.
A.what good
B.What the use
C.What's the good of
D.What's the point of
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