单项选择题
A.Bid B.To bid C.Bidding D.To be bidden
While（）money, she had worked very long hours.A.raisingB...
单项选择题While（）money, she had worked very long hours.
A.raising B.she was raising C.raised D.to raise
（）all your money in the first week is not a sensible st...
单项选择题（）all your money in the first week is not a sensible strategy.
A.Spending B.To spend C.Spend D.Spended
I regret（）that I'm unable to help you.A.sayingB.to sayC...
单项选择题I regret（）that I'm unable to help you.
A.saying B.to say C.say D.said
