6、lesspollutioninthefuture.AwillhaveB.areC.willD.willbe27. What ______ you _______ when she came in?
A. did, do B. are, doingC. do, do D. were, doing28. We were very ________ that Jim didn’t pass the exam.
A. surprise B. surprising C. surprised D. Surp
7、rises29. There’s a big tree _______ the building.
A. in front of B. in the front of C. in front D. at the front of 30.We’llgoforawalkifit_____tomorrow.A.willnotrainB.isn’trainingC.doesn’trainD.isn’train31.Hefound_______noteasytolearnEnglishwell.A.himB.thatC