帮我翻译以下,翻译成英语??急 急 急

1.这座宫殿的建设可以追溯到15世纪。（go back to)

2.这几天我头疼得厉害。(suffer)

3.不要再提这些不愉快的事了。(mention,unpleasant)

4.在她走出山区之前，她从来没有听说过火车。（heart of)

5.当心不要让碟子从你手里滑掉。（mind,slide away)

6.看完这些书以后，把它们整整齐齐放在书架上。（neatly)

用这些句子后面括号内的翻译 ，谢谢！

1.The construction of this palace could go back to the 15th century

2.These day I have suffered headache

3.Don't mention these unpleasant things please.

4.Before she went out the moutainous region,she had never heard of train.

5.Keep in mind that don't let the plates slide away from you hands.

6.After reading these books,please lay them on the shelf neatly.

1. The construction of this palace can go back to the 15th century.

2. I suffer a lot on my head.

3. Don't mention these unpleasant things.

4. She never heard of the train before leaving the mountain districts.

5. Mind don't let the plates slide away from your hands.

6. Please put the books on the shelves in order when you finish reading.

1. The construction of the Palace went back to the 15th century.

2. I have suffered from a terrible headache these days.

3. Don't mention these unpleasant things.

4. Before she went out of mountains, the girls had never heard of train.

5.Take Care Not to let the dishes slide away from your hands.

6.when you have finished reading the books, put them neatly on the shelf.

1. this palace's construction might trace the 15th century. (go back to) <dnt> </dnt> <dnt> </dnt>2. these day of I have a headache fiercely. (suffer) <dnt> </dnt> <dnt> </dnt>3. do not raise these not happy matter again. (mention, unpleasant) <dnt> </dnt> <dnt> </dnt>4. before she goes out the mountainous area, she has not heard the train. (heart of) <dnt> </dnt> <dnt> </dnt>5. is careful do not let the dish slide from your hand. (mind, slide away) <dnt> </dnt> <dnt> </dnt>6. looked after these books, places on neatly the bookshelf them. (neatly) <dnt> </dnt>

1.The construction of this palace can go back to 15th century.

2.I have beeing sufferd a bad headache these days.

3.Don't mention these unpleasant things.

4.She had never heard of a train before her out of the mountains。

5.Mind the plate not sliding away from your hands。

6.After reading these books, put them neatly on the shelves