—Iwonderwhatmakesyouagoodsalesperson.—I

問題詳情：

 — I wonder what makes you a good salesperson.

— I ________ as a waiter for three years,which contributes a lot to my today’s work.

e                       ed                            served                   served

【回答】

B

知識點：動詞時態與語態

題型：選擇題