题目内容
21、All of you ________ at the school gate! We’ll soon start.
A. are gathering B. will gather C. have gathered D. gather
试题答案
21、D
解析：这是一句祈使句, 相当于“All of you , please gather at the school gate!”
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All of you ________ at the school gate! We’ll soon start.
A. are gathering B. will gather C. have gathered D. gather
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