there were some restaurants as well as shops and market stalls.
13，他们不能像往常一样经常看见他的朋友。
they can’t meet their friends as often as before.
14，一般过去时通常与表示过去的时间状语连用。如：yesterday, last week, two years ago, just now, in XX等
15，
③ ② ①（现在）
现在完成时的定义：1，②发生的动作对①的影响。
2，②发生的状态一直持续到①。
现在完成时的结构形式是：have/has + v-pp
现在完成时则常与just, already, ever, never等副词和these days, this week, since..., for...,so far, over the years 等表示一段时间的状语连用。
16，recently ：肯定句，否定句，疑问句。
already ：肯定句
yet ： 否定句
yet ： 疑问句
never ：否定句
just ：肯定句
ever ：疑问句共3页123
17，顺便说一下我在会客室已经等你两个小时了。
by the way ,i have waited in the sitting room for two hours / since two hours ago.
18，他们已经搬到一个自然风光秀丽的地方了。
they have moved into a place of natural beauty.
19，汤姆借了我一本书。
tom lent me a book .= tom lent a book to me .
i borrowed a book from tom.
20，这地方变化蛮大的。
there have been great changes to this place.
great changes have happened to this place.
this place has changed a lot.
21，这机场自打XX以来就投入使用了。
this airport has been in service / use since XX.
22，小学 primary school
初级中学 middle school / secondary school / junior high school
高级中学 senior high school
23，我独自骑车去上学。
i ride a bicycle to school on my own .
i go to school by bike alone/by myself.
24，我打的去的火车站。
i took a taxi to the railway station.
i went to the railway station by taxi.
25，我有同感 我们现在的日子比以前过的要幸福，不像过去了。
i have the same feeling that we live a happier life at present than in the past.
26，我丢了我的地图。
i have lost my map. 强调动作。
my map is missing / lost. 强调状态。
27，瘦西湖是个旅游胜地呀！