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 Billhasmadegreatprogress

練習題3.19W

問題詳情:

 Billhasmadegreatprogress

 Bill has made great progress __________the help of his teachers.

A. for                    B. with                      C. under

【回答】

 B

知識點:介詞和介詞短語

題型:選擇題

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