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Turnoffthewaterwhileyou

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問題詳情:

Turnoffthewaterwhileyou

Turn off the water while you ________ your teeth or washing your hands.

A. were brushing                                   B. brush

C. are brushing                                     D. brushed

【回答】

C

知識點:動詞時態

題型:選擇題

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