1.he ()carefully ,but he ()nothing.A listen ,hear B listen ,heard C listened ,hearD listened ,heard2.if you don't ()carefully ,you can't ()the sound.A hear ,listen B listen ,listen to C hear ,hear D listen ,hear

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/22 12:02:56
1.he()carefully,buthe()nothing.Alisten,hearBlisten,heardClistened,hearDlistened,heard2.ifyoudon''t()c

1.he ()carefully ,but he ()nothing.A listen ,hear B listen ,heard C listened ,hearD listened ,heard2.if you don't ()carefully ,you can't ()the sound.A hear ,listen B listen ,listen to C hear ,hear D listen ,hear
1.he ()carefully ,but he ()nothing.A listen ,hear B listen ,heard C listened ,hear
D listened ,heard
2.if you don't ()carefully ,you can't ()the sound.
A hear ,listen B listen ,listen to C hear ,hear D listen ,hear

1.he ()carefully ,but he ()nothing.A listen ,hear B listen ,heard C listened ,hearD listened ,heard2.if you don't ()carefully ,you can't ()the sound.A hear ,listen B listen ,listen to C hear ,hear D listen ,hear
1.D
2.D
比较:listen(to)表示听,指听的过程,hear表示听到,指听的结果.