题目内容
---Della, would you like some potato chips?
---No potato chips for me---I’m ______ a diet.
| A.at | B.in | C.on | D.with |
C
解析
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题目内容
---Della, would you like some potato chips?
---No potato chips for me---I’m ______ a diet.
| A.at | B.in | C.on | D.with |
C
解析