I ________ you that this error will never happen again; my manager will _______ it by signing all requisitions.

An idiomatic expression 'let's take five' means:

The manager's harsh criticism certainly ______ John's work in a negative way.

In which of these sentences should 'who' be replaced with 'whom'?

In his latest update, John Smith ______ that the server upgrade could take seven days longer than expected.

If you have any questions, please contact Mr. Brown or _____.

Which spelling is correct:

Please let me know what time _________ to have the meeting.

How do you properly refer to Andrea Watson in a formal business environment?

'This is Ken' is used when:

For all __________, this meeting is over.