Part Four: Questions 41-50

Each of the following sentences contains one punctuation error. One punctuation in each is either missing or misused. Detect the error and write the missing punctuation or your correction together with the word before the punctuation on the answer sheet.（下面每句都有一個標點符號錯誤，該用標點處未用標點或標點符號用錯。改正錯誤或補寫標點，并將其與前面的一個單詞一起填寫在答題紙上。）10%

 Example: A. What a nice present you gave me. me!

B. You think you are right don’t you? right,

41.You should sign all letters before mailing them

42.Do you market your product through retailers.

43.The weather was good yet the plane arrived an hour later.

44.The accountant Mr. Price, delivered a long presentation.

45.What a nice girl she is.

46.There are three requirements for the job, foreign language knowledge, working experience and an MBA degree.

47.We have to constantly renew our knowledge, because, science and technology are developing so rapidly.

48.Investors’ expectations are high, therefore, competitive bidding for breeding animals is brisk.

49.The personnel manager stated, We only hire persons with an MBA degree for that type of position.

50.Our offices are located in Atlanta, Georgia and Birmingham Alabama.