摘要：13．-How did you pay the workers? -As a rule, they were paid . A．by hour B．by the hour C．by an hour D．by hours
网址：http://m.1010jiajiao.com/timu3_id_2595214[举报]
-How did you pay the workers?
-As a rule, they were paid ________.
A．by hour B．by the hour C．by an hour D. by hours
查看习题详情和答案>>
--- How did you pay the workers? --- As a rule, they were paid ______.
| A．by hour | B．by the hour | C．by hours | D．by an hour |