Do you think he is lazy？” “I so once but I don’t now.”A. may have thoughtB. can have tho

问题补充：

Do you think he is lazy？” “I so once, but I don’t now.”

A. may have thought

B. can have thought

C. may think

D. might think

答案：

(答案→)A. may have thought

B. can have thought

C. may think

D. might think

解析：考查虚拟语气。句意：你认为他懒吗？我过去可能这样想，但是现在不这样想了。“may+have+done”表示对发生过的事情的推测，意思是“可能已经”或“也许已经”，用于肯定句中。故选A。