Charlie admitted his cheating in the maths exam and promised ______ cheat any longer.
A.won't B.doesn't C.not to D.to not
______ not hold a party to celebrate our success in winning this year's spelling contest?
A.Why B.When C.How D.What
Would you mind ______ me who is going to make the opening speech at the ceremony?
A.tell B.tells C.to tell D.telling
Alice didn't give up looking for his missing cat ______ the police sent it back.
A.until B.if C.after D.because
Martin ______ German for over five years. He works as a tour guide in Germany now.
A.studied B.was studying C.has studied D.had studied
You ______ worry about how to deal with the trouble. I will come to help you.
A.can't B.needn't C.may not D.mustn't
