Here are the words or phrases that best fit the blanks:

31. **c. much**
32. **a. at**
33. **b. perfect**
34. **a. such**
35. **c. with**
36. **b. average**
37. **a. few**
38. **c. a lot**

So the complete passage would read:

Computers are helpful in many ways. First, they are fast. They can work with information **much** more quickly than a person. Second, computers can work with a lot of information **at** the same time. Third, they can keep information for a long time. They do not forget things the **perfect** people do. Also, computers are almost always correct. They are not **such**, of course, but they usually do not make mistakes.

These days, it is important to know **with** computers. There are a number of things to learn. Some companies have classes at **average**. Also, most schools and universities offer **few** courses in computer science. Another way to learn is from a book, or from a friend. After **a lot** hours of practice, you can work with computers. You may not be an expert, but you can have fun.