练习九（Module 7 Units 3-4）
主讲:  臧 玉   镇江市第一中学  审稿：王明霞   镇江市教育局教研室
一、单项选择
1. During the rush hours the roads are usually ________ up with traffic.   A. filled      B. crowded       C. choked    D. checked
fill up ( with sth) /fill sth up (with sth ) 装满， 充满Eg: The bottle is filled with water.choke up阻塞， 堵塞（通道，空间等）。
2. Trains are ________ all kinds of goods to Lhasa through the Qinghai-Tibet Railway day and night.  A. transporting   B. separating             C. supporting    D. supplying
transport 运输   sepa ...