You will never gain success________ you are fully devoted to your work.
A. whenB. becauseC. afterD. unless
— I’ve prepared all kinds of food for the picnic.
—Do you mean we_____ bring anything with us?
A. can’t B. mustn’tC. shan’t D. needn't
As John Lennon once said，life is_____ happens to you while you are busy making other plans.
A. whichB. that C. whatD. where
____your own needs and styles of communication is as important as learning to convey your affection and emotions.
A. UnderstandingB. To be understood
C. Being understoodD. Having understood
If Mr. Dewey _____ present, he would have offered any possible assistance to the people there.
A. wereB. had beenG. should beD. was
Children，when ______ by their parents, are allowed to enter the stadium.
A. to be accompaniedB. to accompany
C.accompanying D. accompanied
