when he heard the bell,he ran into the classroom ____?A.just now _英语解答

when he heard the bell,he ran into the classroom ____?A.just now B.at once C.in a minute D.now
为神马是B?不是A么?

人气：215 ℃　时间：2019-09-26 01:17:43

解答

just now意为刚才,是过去世的标志.
at once意为立即,与选题意思相符!