1 ) 22.A) It is likely to remain a means of business communication . B) It is likely to be a competitor of various messaging apps. C) It will gradually be replaced by social media. D) It will have to be governed by specific rules. 2 ) 23.A) Save the message in their file. B) Make a timely response . C) Examine the information carefully. D) See if any action needs to be taken. 3 ) 24.A) It is to be passed on. B) It is mostly junk . C) It requires no reply. D) It causes no concern. 4 ) 25.A) Make it as short as possible. B) Use simple and clear language. C) Adopt an informal style of writing. D) Avoid using capitals for emphasis .