单选题：After all，all living creatures live by feeding__________some

题目内容：

After all，all living creatures live by feeding__________something else，whether it be plant or animal，dead or alive． A．off
B．on
C．in
D．up

参考答案：

答案解析：

He looks as if he__________ nothing about the news．

He looks as if he__________ nothing about the news． A．Would kno B．would have kno

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He was __________of having failed． A．sorry B．guilty C．ashamed D．criminal

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We’ll finish__________the machine next Monday． A．to repair B．repairing C．in repa

分类：成人英语三级题型：单选题

__________ it left to me to decide，1 would never hesitate to choose the former．

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复式政府预算一般由（　　）组成。 A．经常预算 B．资本预算 C．基金预算 D．零基预算 E．基数预算

分类：成人英语三级题型：单选题