【正文】
t D. needn39。t B. couldn39。t 7. — The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear! She _______ a lot of difficulties! (05 江蘇卷 ) A. may go through B. might go through C. ought to have gone through D. must have gone through 8. I have lost one of my gloves. I ________ it somewhere. ( 05 北京春季) A. must drop B. must have dropped C. must be dropping D. must have been dropped 9. Mr. White _____ at 8:30 for the meeting, but he didn39。t C. can39。s still here. ( 05湖北卷) A. shouldn39。t 6. — Do you know where David is? I couldn39。t be enjoying himself by the seaside. A. should B. must C. wouldn39。t leave 3. — I’ll tell Mary about her new job tomorrow. — You________ her last week. ( 04 福建) A. ought to tell B. would have told C. must tell D. should have told 4. — Tom graduated from college at a very young age. — Oh, he ______ have been a very smart boy then. ( 04 全國 IV) A. could