1.We are doing our homework ___ the lights went out.A.as B.while _英语解答

1.We are doing our homework ___ the lights went out.
A.as B.while C.when D.as soon as

人气：210 ℃　时间：2019-12-10 02:47:52

解答

C,当什么的时候
B之所以不对是因为while后面要用ing形式