题目内容
---How do you pay the waitress?
---As a rule, they are paid _____.
- A.by hour
- B.by the hour
- C.by an hour
- D.by hours
B
表示“单位”的名词,前面要加定冠词。
表示“单位”的名词,前面要加定冠词。
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题目内容
---How do you pay the waitress?
---As a rule, they are paid _____.