1.I forgot to turn if off
2.wha don't you take walks in the garden?
3.he spends a lot of time on his hobbies
4.i decided to take a train trip to the countryside
5.THE TRAIN MOVED ALONG SLOUTLY AND GRADUALLY GAINED ITS SPEFD
6.we went through a number of tunnels,crossed some bridges and traveled in the countryside.
7.it was a sunny day and the scenery outside was ful
8.we couldsee farmers working busily in the fields and some children playing under trees
9.under the bridge a group of ducks engoyed temselts.
10.i closed my eyes and started making plans for my next vacation
11.they spent much time going sightseeing in Beijing this summer
12.that sounds interesting
13.jim often going bick riding on weekends
14.mike usually talks walks with hisdog after sapper
15.they are going camping on satursay
參考答案:1、我忘记去关掉它。（未关）
2、为什么你不去花园走走？
3、他花了很多时间在他的兴趣上。
4、我决定乘火车去乡村旅行。
5、那火车开得很慢然后逐渐加快了速度。
7、那是一个阳光灿烂的日子，外面的景色很（ful你是不是打错了）
8、我们可以看到农夫在田里忙碌地工作，一些孩子正在树下玩耍。
9、在桥下一列鸭子自得其乐。
10、我闭上眼睛开始计划我下一个假期。
11、这个夏天他们花了很多时间去游览北京。
12、那听起来很有趣。
13、周末杰米经常去骑自行车。
14、晚饭之后克常常带着他的狗去散步。
15、他们打算星期六去野营。