Has the committee really postponed the debt relief plan?
— Yes. And the decision will stand （ ） a vote is taken against it. （A）unless （B）as （C）if （D）since
It was early in the morning in London （ ） Prime Minister Cameron arrived to give his speech. （A）where （B）when （C）while （D）that
I won't call you （ ） something unexpected happens. （A）unless （B）whether （C）because （D）while
Pop music is such an important part of society （ ） it has even influenced our language. （A）as （B）that （C）which （D）where
Small sailboats can easily turn over in the water （ ） they are not managed carefully. （A）though （B）before （C）until （D）if
