题目内容：

Suppose(假设) you are going to Boston, and you ____ the city before. If someone ____ you about the interesting places in the city, you ____ to get some ideas of what you will see. But you don’t have a ____ idea of where these places are or of how to find ____.However,____ someone has a map of the city and ____ you the main roads and buildings, you may say, “Oh, now I see. I can find my way with ____ trouble at all.” Working on math is somewhat(有点儿) like trying to find your way ____ a new city. Perhaps the words may tell you some information and you have ____ it, but you can’t see any clear road to the answers.

1.A. are going to visit    B. once visited    C. have never visited    D. have ever visit

2.A. answers    B. shows    C. meets    D. tells

3.A. begin    B. like    C. learn    D. refuse

4.A. clever    B. clear    C. strange    D. wrong

5.A. someone    B. something    C. them    D. it

6.A. if    B. though    C. whether    D. since

7.A. helps    B. gives    C. passes    D. shows

8.A. not    B. no    C. some    D. much

9.A. of    B. to    C. in    D. around

10.A. thought over    B. heard about    C. written down    D. talked with