Accounting is described as ________ science of classifying, recording and reporting ________ important financial events.
| A.an, the | B.a, 不填 | C.不填, 不填 | D.不填, the | 
We went up to the roof, ______ we had a good view of the lake.
| A.where | B.from where | C.from which | D.at which | 
Here are a few questions _____ you ________.
| A.of; to answer | B.for; to answer | 
| C.of; to be answered | D.for; to be answered | 
As a _______ officer, in my view, he should be strict in the his work.
| A.customs | B.custom | C.customer | D.customers | 
--- Why does she always ask you for help?
 --- There is no one else _____ , is there?
| A.who to turn to | B.she can turn to | C.for whom to turn | D.for her to turn | 
In China, all the students work hard at school _________ going to university for higher education in the future.
| A.in the habit of | B.in the hope of | C.in search of | D.in honor of |