完成句子
The performances of the primary students ________ ________ ________ ________ ________(给……留下好印象)the judges．
I enjoy having English lessons while Jane ________ ________ ________(对……感兴趣)chemistry lessons．
Did the passers-by report to the policeman when the accident ________ ________(发生)?
根据句意和本单元学过的内容，填入适当的介词或副词
On average, teachers have a good impression ________ students of this kind．
When ________ university, I picked up some French．
Before the children appear on the stage, they love to dress ________．
Compare this sentence ________ that one, and you can tell the differences between the two．
You have a life ________ plenty．What would you worry ________?
1．We receive 20 letters a day ________．
2．His speech ________ on the audience．
3．The Yangtze River is the third river ________ in the world．
4．He has been teaching for 25 years and ________ all the students he once taught．
5．After class is over, he ________ all kinds of out-of-class activities．
6．He was fired ________ his bad habits referred to last time．
7．I wonder if these lessons are given ________．
8．If you ________ the club now, you can have the first month free of charge．
9．Will you be ________ the meeting?
10．The sports meeting was put off ________ it rained for 3 days．
下面的一段文章为原文的浓缩，仔细阅读，根据原文章内容将其补充完整，并尽量背诵。
People in Amsterdam have 1 enjoying the 2 of cycling for many years．The city is now 3 “City of Bicycles”because 4 its convenience for bicycles．
This idea of cycling 5 a group of cycling fans in 6 1960s．They held the view 7 it would be better for everyone if cars weren’t allowed in the city centre and only bicycles were．They painted many bicycles white and 8 them in neighborhoods for people to use．It didn’t work somehow 9 thieves stole all the bikes within weeks．
However, the project comes back some thirty years 10 ．This time they use a computer chip to record every move of the bicycle．Only 11 inserting a special card can you use one． 12 a result of using the bicycles, there is 13 traffic in central Amsterdam．
