选择填空
问题描述：
选择填空
1 I________carefully dut could________nothing.
A listened;hear B heard;lisen
C listened to;hear D heard;listen to
2 —Do you like Chinese?
—No.Our Chinese teacher is too serious.________of us likes his classes.
A All B Both C None D Neilther
答
1.A ------LISTEN 听（表示动作）,HEAR 听见（表示结果）
2.C -----三者以上的否定