3.3 课堂作业
Ⅰ.单词拼写
1．Let's go d________ this afternoon.
答案：downtown
2．The next train r________ from London to Liverpool.
答案：runs
3．The s________ limit in the town is 30 miles per hour for all traffic.
答案：speed
4．The ________ (痕迹) of the car could be seen in the mud.
答案：tracks
5．I'll attend the opening c________ for the new factory.
答案：ceremony
6．Upon arrival, they were ________ (驱逐) like animals to the slave market for sale.
答案：driven
7．I was in as happy a mood as when I first ________ (登陆) in America.
答案：landed
