—Who's that boy reading in the garden? Is it David? —It ____be David. I saw him in the classroo

题目简介

—Who's that boy reading in the garden? Is it David? —It ____be David. I saw him in the classroo

题目详情

—Who's that boy reading in the garden? Is it David?  
—It ____be David. I saw him in the classroom just now.  
[     ]

A. must    
B. can't      
C. may      
D. shouldn't

题型:单选题难度:中档来源:同步题

答案

B

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