They_____carefully,but they didn't_________anything.A.listened;li_英语解答

They_____carefully,but they didn't_________anything.
A.listened;listen B.listened;hear C.heard;hear

人气：330 ℃　时间：2020-03-27 02:04:46

解答

B 他们听得非常仔细,但是他们什么都没有听到.
listen 表状态,hear表结果