—Where’s Bill ? —He ________ in the office. I saw him playing basketball on the playground just now....
2022-12-16 09:41:36 208次 2016届湖南永州祁阳白水镇中学九年级上学期期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Where’s Bill ?
—He ________ in the office. I saw him playing basketball on 
the playground just now.
A. can’t be B. must be C. can be
本题链接：
