Reference notation may include thedate of the letter, a file number, the contract number, L/C number or the initials of thesigner of the letter and take the form as “Our ref.’’ and “Your ref.’’ .

5.Whyis an account number given in the letter to the bank?

Your invitation letter must contain__________？（ ） A: place B: time C: Wechat number D: event

美军机MDS命名法，M代表Misson, D代表design number, S代表series letter 。

Fill in the blank with a proper word. The first letter is given and the number in the brackets indicate the number of the letters in the word. 注：请给出完整单词，包括首字母。That wasn't included in the s______ (5) of our study.

In a business letter, we often use _________ to indicate the particular addressee. A: reference number B: attention line C: subject line D: postscript

Fill in the blank with a proper word. The first letter is given and the number in the brackets indicate the number of the letters in the word. 注：请给出完整单词，包括首字母。Could you give me an example to i______ (10) what you mean?

Fill in the blank with a proper word. The first letter is given and the number in the brackets indicate the number of the letters in the word. 注：请给出完整单词，包括首字母。I'm summarizing here, so some details may d______ (6), but…

Fill in the blank with a proper word. The first letter is given and the number in the brackets indicate the number of the letters in the word. 注：请给出完整单词，包括首字母。I am wondering whether there are any e______ (10) that do not follow the rule?

Fill in the blanks with appropriate words indicating cause/effect relations. The first letter is given.The fall in the number of deaths from heart disease is generally a______ to improvements in diet.