I_____carefully but could ______ nothing.A.listened;hearB.heard;listenC.listened to;hearD.hear;listen to为什么不能选C而是选A.

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 08:51:02

I_____carefully but could ______ nothing.A.listened;hearB.heard;listenC.listened to;hearD.hear;listen to为什么不能选C而是选A.
I_____carefully but could ______ nothing.
A.listened;hear
B.heard;listen
C.listened to;hear
D.hear;listen to
为什么不能选C而是选A.

I_____carefully but could ______ nothing.A.listened;hearB.heard;listenC.listened to;hearD.hear;listen to为什么不能选C而是选A.
楼主,是这样的
listen 是表示听的动作,而hear表示听的结果,再根据语态,选A!

listen解释为听,听什么东西要加介词to.
listen to + n.如:listen to the teacher; listen to the music

C里面to是介词,没宾语

could属于情态动词
情态动词后面的任何动词都是原型