12 _____him before ,I didn't recognize him .
问题描述:
12 _____him before ,I didn't recognize him .
A Not seeing B Having not seen C Never having seen D Having never seen
是否应把never 放在haveing seen 前面
答
正确答案是:C.Never having seen
英语中否定词“ not 或 never”要放在"非谓语动词"前,根据这点排除B,D
而根据分句中的before放在句末,用于现在完成时,因此排除A,选C
[以前从未见过他,我认不出他.]