题目内容
9．---Whose T-shirt is this？---It _____ be Tony's．I am not sure（ ）
| A． | may | B． | must | C． | will | D． | can |
分析 --这是谁的T恤衫？
--它可能是Tony的．我不确定．
解答 答案：A．may可能，可能性不是很大；must一定，必须，可能性非常大；will将会；can能，能够，表可能一般要用否定式can't．根据I am not sure，可知在这里的意思是我不确定，表示的可能性不是很大．may可能，可能性不是很大．故选A．
点评 本题考查了情态动词的用法．解答时注意：may可能，可能性不是很大；must一定，必须，可能性非常大．
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