给下列句子中必要的地方加上引号、破折号、分号、括号等。例句：

题目描述

给下列句子中必要的地方加上引号、破折号、分号、括号等。例句：The professor said，Every student must prepare a presentation before Friday.The professor said，“Every student must prepare a present ation before Friday.”1.Mr.Daw dictated，Dear Mr.Dun;but his secretary transcribed， DearMr.Fun2.Many of the dividends came from large corporations that is，GeneraI Motors，Exxon，and International Business Machines.3.Many large corporations for example，General Motors，Exxon，and International Business Machines have paid dividends for many years·4.I heard him ask，Is Mrs.Hanna in?5.Please enter one—year subscriptions to each of these magazines Harper's，The New Yorker，The New York Review of Books，and American Heritage.6.The letter said，The affect sic was devastating，7.The directions for assembling the toy read 1 read all of the dircations before you begin putting the toy together，2 check to see that the carton contains all of the parts，and 3 fit the numbered parts together.8.I do not think.Mrs.Steele dictated.that you want your policy to lapse.Therefore，I suggest that you send us your check immediately.9.I read in the Los Angeles Times that the decision in the case was based on Williarns v.United States.10.I began typing the well—known quotation from Dickens’s A Tale of Two, Cities It is a far，far better thing I do，than I have ever done，etc.11.Pleas call me at 8：30 a.m.He said to the hotel clerk.12.If your are there she said I wish you would give my warmest regards to my friend Bob Patterson.13.Are you driving downtown?He asked.If you are.I’d very much appreciate a ride.14 How did you find us?I don’t remember leaving a forwarding ad dress，she Mid.15.I need your advice.he said.on a very delicate matter He was silent for a moment，then added，I’ll understand if you don’t wish to comment.16.I have heard of you many times from our good friends the Wal—tons，she remarked，How does it happen we’ve never met?17，We have plenty of food，and our plane is only half a mile away in a clearing,said Martin.We’ll have you home before dark.He opened his knapsack and handed her a sandwich.18.I’m afraid I’ve forgotten whether you said Turn to the right or Turn to the left，he pondered.Stupid of nlc，wasn’t it?19.Never mind.said Chris.Wait a minute and I’ll go with you.I was just saying to Nancy，I’ll bet they’re lost.20.If you ever come to Chicago.be sure to call us.We will show you the Field Museum and the Museum of Science and Industry，said Ron.You will also want to visit Old Chicago.