I ( ）TV when l suddenly heard a strange noise outside A watches B_英语解答

I ( ）TV when l suddenly heard a strange noise outside A watches B am watching Cwas watching D watc
还有理由.

人气：496 ℃　时间：2020-04-29 10:34:40

解答

C
题意时间是指当“我”听到奇怪的声音的那一瞬间,在那一瞬间“我”－正在－看电视,所以用进行时,动词加ing,又由于事情发生在过去（因为heard是过去式）所以用was,选C