書名：多益一路通
頁數：修訂版 第22刷
題目：p.264 第八題 第九題
疑問：
8. ____ the incorrect information, the computer will make a serious error.
(A) Feed
(B) Feeding
(C) Fed
(D) To feed
答案是C , 我選 B , 是因為沒有該句子沒有動詞嗎? 那為什麼A是錯誤?
9. When _____ to present his driver's license, the young man took off and
left the police officer behind.
(A) asked
(B) asking
(C) has asked
(D) did he ask
答案 A 我選C 是因為沒有主詞所以不能選C嗎?
我文法很弱，勞煩各位前輩解說 謝謝