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his afternoon if you have something important to do. A. needn‘t to e B. don’t need e C. don39。t e you more help, even though he was very busy. A. might have given B. might give C. can have given give I help you with some shoes,madam? Yes, I would like to try on those brown ones. A. Will B. Should C. May D. Must reason why they leave wasn’t explained to us. B. had to C. must D. might searched for my wallet and it wasn’t there. I thought I it at home. B. have left have left D. can have left ___ asleep because it took me a long time to realize that the telephone was ringing. have fallen B. should have fallen C. must have fallen D. mustn39。s, but you __ go with me. A. need not B. must not C. need D. must we ___ get seems better than what we have. A. can B. could C. can39。t goodness! I39。s too bad. I am sure you___ it, if you had hurried. A. could have caught B. had caught C. would catch D. could catch ! What you39。t have been 15 .Tom ought not to _me your secret, but he meant no harm. A. have told B. tell C. be telling D. having told 16 .I parked my car right here but now it‘s . A. must be stolen B. may be stolen C. must have stolen D. must have been stolen 17 .He the work yesterday,but he didn‘t. A. must have finished B. need finish C. finished D. should have finished 18 .He did not pass the examination. As a good student, he . A. mustn‘t have failed B. may not have failed C. needn‘t have failed D. shouldn