Answer:
The answer of this question is below in the explanation section:
Explanation:
1.
I am sending you this letter to inform you that we have experienced an unexpected surprise within our expense sheet, but we are positively certain we will solve it.
Best Revision:
I am sending you this letter to inform you that we have a problem with our expense sheet, but we are positively certain we have a solution.
2. It is the user who should contact the help center.
Best Revision:
The user should contact the help center.
Answer (4) : Read the following passage, and then answer the question.
[1] You scheduled seven conference calls for this morning between 10 and 11 a.m. [2] Generally, the company limits the number of conference calls to three per hour. [3] I’m letting you know that in the future, we should be more careful about scheduling. Which revision limits the long lead-in in sentence 3?
Best Revision
In the future, we should be more careful about scheduling.