–Listen! Somebody is playing the piano. –It ______ be Bill because he is the only one who can play t...
2022-10-04 12:46:08 198次 吉林省2019届九年级上学期期末考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
–Listen! Somebody is playing the piano.
–It ______ be Bill because he is the only one who can play the piano.
A. could B. can C. may D. must
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