题目内容
() 10. — Can they all come in together?
—No,.
A. each at one time B. one by one time
C. one at a time D. one for each time
10.C
10.C
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题目内容
() 10. — Can they all come in together?
—No,.
A. each at one time B. one by one time
C. one at a time D. one for each time
10.C