1．The university is 20 minutes from____________ (商业区)．
2. Her teacher is worried about her____________ (频繁的)absences from class.
3．Give me an ____________ (精确的)report of what happened.
4. The president will be making a____________(私人的)visit to Mexico.
5．Her book is ____________ (提供)as an answer to the problems of modern marriage.
6．Ed’s eyes quickly got____________(适应)to the dark room.
7．S____________is a branch of mathematics.
8．Last week he suffered a lot from the t____________ back pain.
