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
I ( ）TV when l suddenly heard a strange noise outside A watches B am watching Cwas watching D watc
I ( ）TV when l suddenly heard a strange noise outside A watches B am watching Cwas watching D watc
还有理由.
还有理由.
英语人气：804 ℃时间：2020-04-29 10:34:40
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