【正文】 om to the bottom of the top to the top of Ⅱ .完形填空 Computers are now as monly used in business as the ,it’s important that people know how to 1 them efficiently( 有效地 ).Now,you and your whole team are 2 to do this on your puter in the simplest way—taking our online then you can learn and practise 3 yourself. The person 4 appears on the screen acts as your teacher,guiding you through the tasks 5 explaining more difficult exercises allow you to practise the things you have 6 and test your understanding. 7 courses are excellent value—only 8 save yourself money if you buy the plete collection of seven is now available at the retail( 零售 ) 9 of 410 can make a 10 saving of 10% by ordering the plete collection within the next thirty days. ( A ) ( A ) ( C ) ( B ) ( C ) ( B )