英语翻译一：汉译英：1.你听过8:00的广播了吗?（提示：broadcast 广播）2.这位教师已经九十多岁了,他毕生致力于教育事业.（提示：devote to把……奉献给）3.自从解放以来,中国发生了巨大的变化.（提示：liberation change 变化）1.The house is dirty.We( ) it for weeks.A.didn't clean B.hadn't cleaned C.don't clean D.haven't cleaned2.My dictionary ( ) .I have looked for it everywhere but still ( ) it.A.has lost; don't find B.is missing; don't find C.had lost; haven't found D.is missing; haven't found3.By the time the new pupil ( )enough courage to

一.
1. Have you heard of the radio at 8 o,clock?
2.The teacher has more than 90 years old, his lifelong devote to education career.
3.Since the liberation, great changes have taken place in China.
二.
1.D
2.A
3.B
不知道是不是正确的答案，但是希望能帮到你

翻译：
1.Have you listened the broadcast which is at 8 o'clock?
2.This teacher is more than 90 years old now,and he devotes all his life to education.
3.China have changed a lot since the liberation.
选择：D D B

一：汉译英：
1.你听过8:00的广播了吗？
（提示：broadcast 广播）
Have you heard the broadcast at eight o'clock?
2.这位教师已经九十多岁了，他毕生致力于教育事业。
（提示：devote to把……奉献给）
The teacher has been over ninety.He has devoted all his life to the the educational cause/task.
3.自从解放以来，中国发生了巨大的变化。（提示：liberation 解放 change 变化）
Great changes have taken place in China since liberation.
二：选择题：
1.The house is dirty.We( D) it for weeks.
A.didn't clean
B.hadn't cleaned
C.don't clean
D.haven't cleaned
2.My dictionary ( D) .I have looked for it everywhere but still ( D) it.
A.has lost; don't find
B.is missing; don't find
C.had lost; haven't found
D.is missing; haven't found
3.By the time the new pupil (C )enough courage to raise his hand,the bell for the end of the lesson ( C).
A.had gathered; was already ringing
B.was gathering; had already rung
C.gathered; already rang
D.would gather; would already have

1.你听过8:00的广播了吗？（提示：broadcast 广播）
Did you listen to radio broadcasting at 8:00?
2.这位教师已经九十多岁了，他毕生致力于教育事业。
（提示：devote to把……奉献给）
The teacher is aged 90's, and devoted his all life to education.
3.自从解放以来，中国发生了巨大的变化。（提示：liberation 解放 change 变化）
Great change has taken place in China since the liberation in 1949.
二、
1、D.haven't cleaned
2、D.is missing; haven't found
3、A.had gathered; was already ringing

1.Have you listened the broadcast on 8 o'clock?
2.The teacher was over 90 ,he devoted all his life to education.
3.China has changed a lot since liberation.
1.D房子很脏.我们已经有几个星期没有打扫了.这里用现在完成时表示.
2.D sth is missing表示某某东西遗失了,用haven't found 是因为句子前后事态保持一致,have looked 是现在完成时,所以but后面也用现在完成时.表示我现在还没找到.
3.B.by the time 是过去完成时的特色词,主句用had done,从句用did