-----Peterfinishedthedifficulttaskonhisown.  -----He

問題詳情：

-----Peter finished the difficult task on his own.

   -----He ___me to help him, but he didn’t tell me anything when I met him yesterday.

A could have asked    B. could ask      C. must have asked    D. must ask

【回答】

A

知識點：虛擬語氣與情態動詞

題型：選擇題