381. great changes have taken place in our school since 1985.从1985年以来，我们学校发生了很大变化。

382. it will take almost two months to finish the teaching-building.要用近两个月的时间才能建成这座教学楼。

383. we’d better turn back, it’s getting late.我们还是回去的好，天已经晚了。

384. suddenly,i remembered i had left my glasses in the library.我突然想起我的眼镜忘在了图书馆。

385. i’m sorry, i have forgetten the word.对不起，我忘词了。

386. i forgot to bring my notebook to class, i have left it at home.我把笔记本忘了，放在家里了。

387. we haven’t decided when to hold the speech contest.我们还没定下举办演讲比赛的时间。

388. when we read the text,we should pay attention to sentence stress,pause and liaison.读课文的时候，大家要注意句子的重音、停顿和连读现象。