精选优质文档-倾情为你奉上人教新课标必修一unit4单元词汇专项练习Unit 4一、单词拼写1. Older students were having difficulty in studying and o_ themselves.2. That place is dirty and s_. 3. In the city, the water pipes in some buildings cracked and b_.4. People began to wonder how long the d_ would last.5. F_ water was taken to the city by train, truck and plane.6. Everywhere they looked nearly everything was d_.7. The railway tracks were now u_ pieces of steel.8
