省略考题透析一例有这样一道题：“What have you been doing?” “_________ television.” A. WatchB. Watching C. Having watched D. Watched最佳答案选B，为 I have been watching television. 之省略。又如：(1) “What have you been doing?” “_________.”A. Swim B. SwimmingC. To swimD. Swam答案选B，为 I’ve been swimming. 之省略。(2) “Has he been crying?” “No, _________.”A. laugh B. laughingC. To laugh D. laughed答案选B，为 He has been laughing. 之省略。比较以下各题：(1) “What is he going to do with that?” “_________ fish.”A. Catch B. CatchingC. Having caughtD. Caught答案选A，为 He is going to catch fish. 之省略。 (2) What should he have done?” “_________ the police.”A. Told B. Tell C. Telling D. To tell答案选A，为 He should have told the police. 之省略。

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