—Canaplanefly       thePacificOcean(太平洋)?  —Yes,butitne...

問題詳情：

—Can a plane fly        the Pacific Ocean (太平洋) ?

   —Yes, but it needs to go        the clouds for hours.

A. across; through  B. through; across  C. cross; through   D. through; across

【回答】

A 

知識點：介詞和介詞短語

題型：選擇題