10．-Peter，you delivered a wonderful speech today．
-Thanks，but I think I ______ more attention to my stage manners during that time．（　�。�
A．must payB．should pay
C．must have paidD．should have paid

分析 句意：--Peter，你今天做的演講太精彩了．--謝謝！不過，我認(rèn)為我那個時候應(yīng)該更多的注意下我的臺風(fēng)．

解答 答案D．由"delivered"可知已經(jīng)發(fā)生的事情，故用情態(tài)動詞+have done表示與過去的虛擬．"must have done"表示過去肯定做了某事；"should have done"本應(yīng)該做某事而沒做．根據(jù)句意，我認(rèn)為我那個時候應(yīng)該更多的注意下我的臺風(fēng)（而事實(shí)上沒有注意）．故選D．

點(diǎn)評 本題考查虛擬語氣，要掌握虛擬語氣的用法并結(jié)合具體的語境選擇出正確的選項(xiàng)．

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