Don’t all stand up together!________,please.A.Each at one time B.One at a time C.One by one time D.One for each time

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Don’t all stand up together!________,please.A.Each at one time B.One at a time C.One by one time D.One for each time

Don’t all stand up together!________,please.A.Each at one time B.One at a time C.One by one time D.One for each time
Don’t all stand up together!________,please.
A.Each at one time B.One at a time C.One by one time D.One for each time

Don’t all stand up together!________,please.A.Each at one time B.One at a time C.One by one time D.One for each time
答案B 句意:不要都站起来,请每次站起一个.at a time一次,每次,at one time一度,曾经,所以选B. 查看原帖>>