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.
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![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.](/uploads/image/z/8057574-54-4.jpg?t=I_____carefully+but+could+______+nothing.A.listened%3BhearB.heard%3BlistenC.listened+to%3BhearD.hear%3Blisten+to%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E8%83%BD%E9%80%89C%E8%80%8C%E6%98%AF%E9%80%89A.)
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