單項選擇---Isyourfatherateacher?---well,he

問題詳情：

單項選擇

---Is your father a teacher?

---well, he _______.

A. used to      B. was used to      C. used to be    D. is used to be

【回答】

C

知識點：動詞和動詞短語

題型：選擇題