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—Meimeiis

練習題2.99W

問題詳情:

—Meimeiis

—Meimei is _____the difficult math problem. — I’m sure she’ll _____.

                  A. working on; work it on               B. working out; work it out

                  C. working out; work it on            D. working on; work it out

【回答】

D

知識點:動詞和動詞短語

題型:選擇題

標籤:Meimeiis