71．_______ 72．_______ 73．_______ 74．_______ 75．_______
B．从方框中选择适当的单词，并用其正确形式完成短文。（5分）
something，enjoy，difficult，difference，out
There are many 76 kinds of trains in the world．There are fast trains and slow trains．There are trains under the ground and trains over the water．
In big cities，the streets are usually busy．So you can find subways under the ground．They carry people in and 77 of the city．
Can a train run over the water? Yes，it can．There are bridges over the river．The trains can easily go over the water．But it’s 78 to build the bridges．
Today trains have dining―rooms for people．You may buy 79 to eat in them on the way if you are hungry．
Trains are important for children，too。They have model（模型）trains．With the model trains they can 80 the beautiful world of trains．
69．Most students go to school on the school bus．（改为同义句）
Most students_________ _________ the school bus_________ _________ school．
68．He goes home once a week．（对划线部分提问）
_________ _________does he go home?
67．It’ s five minutes’ walk from here to my home．（对划线部分提问）
_________ _________ is it from here to your home?
66．He has to study for the test．（改为否定句）
He_________ _________ to study for the test．
65．露茜和她的双胞胎妹妹丽莉看上去一样。
Lucy and her twin sister Lily look _________ _________．
八、按照要求改写句子。（10分，每空一词）
64．你认为上网冲浪怎么样?
What do you_________ _________surfing the Internet?
63．我们是好朋友，我们的友谊会永存。
We are good _________ _________．I think our_________ will be on forever．
62．我们后天将动身去天津。
We are _________ _________Tianjin the day after tomorrow．