单项选择题

Ever since then, the cost of production ______.

A. was skyrocketing


B. has been skyrocketing
C. had skyrocketed


D. skyrocketed
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单项选择题
The company should have enough money that it can work on something without getting ______ funding or permission or anything.
A. somebody's



B. nobody's
C. anybody's



D. every body's
单项选择题
One million dollars is not a small sum of money.
A. are not a small


B. are not small
C. are not small



D. is not a small
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