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 Youcan’tseethingsclearlythroughatelescopeunlessitis

練習題2.79W

問題詳情:

 Youcan’tseethingsclearlythroughatelescopeunlessitis

 You can’t see things clearly through a telescope unless it is _____ correctly to your sight.

   A. adjusted         B. examined       C. checked        D. tested

【回答】

A

知識點:動詞

題型:選擇題

標籤:Youcan