作业帮1,This is the best one of machines that ----in working order.A is.B are C were D was参考答案是b
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/14 09:26:10
xQJ@2)B#xTW$$Z(hKJQ(T1 H\&>y(". 74Vkɼ{-ôނZm3]m*)k ֡ax(QDD\M$j#4ؒ{A%TtB zM9G-fOIVE|D#Y /;q0%G\,Drq/b'XA?A>,q4y$ڒSce4 2?'{}џ)jst9Boj
1,This is the best one of machines that ----in working order.A is.B are C were D was参考答案是b
1,This is the best one of machines that ----in working order.A is.B are C were D was
参考答案是b
1,This is the best one of machines that ----in working order.A is.B are C were D was参考答案是b
选择A
注意前面的时态是现在时
而且这句话的翻译是：这个机器是所有机器中运转最好的一个.凭借常识也应该是现在时,通过前面的is 可看出是单数.
A
A