Tom’sfatherworks

問題詳情：

 Tom’s father works ________ the chief engineer ________ a big company. He always works ________ high standards.

       A. for; as; for      B. as; in; as     C. as; for; to     D. for; in; to

【回答】

 C

知識點：介詞和介詞短語

題型：選擇題