No sooner had she entered the house the telephone rang.
A. when B. than C. as D. while
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What is the author’s attitude？
A. Delighted B. Sad C. Agreeing D. Disagreeing
All the arrangements should have been completed prior our departure.
A. in B. to C. by D. before
It's vital that enough money __________ collected to get the project started.
A. is B. be C. must be D. can be
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