— Look at the boy running on the ground, Is it David?— It _____be him, he has just gone to the teach
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题目简介
— Look at the boy running on the ground, Is it David?— It _____be him, he has just gone to the teach
题目详情
— It _____ be him, he has just gone to the teacher's office.
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B. can't
C. could
D. may
答案