摘要：30．I'm sorry．I my homework at home.A．forgot B．left C．took第二节 完形填空 We lived in the “computer age ．People like scientists.teachers.writers and even students use computers to do 31 work．But more than 30 years ago. 32 couldn't do much．They were very big and expensive．Very 33 people were interested in them or knew how to use them．Today computers are smaller and 34 ．Now many people like to use them 35 they can do a lot of work．Some people even use them at home． Computers become very important because they can work 36 than men and make fewer mistakes．Computers can 37 people do a lot of work．Writers now use computers to write.students use them to study and children use them to play games．Computers can 38 what you put into them．Computers are very 39 . and helpful．They are our good friends．Do you want to 40 a computer?

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