Choose the word that best completes the sentence: The executive's _____ presentation impressed the board of directors.
'Lucid' means clear and easy to understand, which fits positive impression on the board.
Identify the part of the sentence containing a grammatical error: 'Each of the students (A) / have submitted (B) / their assignment on time. (C) / No error (D)'
'Each' is a singular indefinite pronoun requiring the singular verb 'has submitted' instead of 'have submitted'.
Choose the option that correctly converts to passive voice: 'The committee approved the new proposal.'
Simple past 'approved' converts to 'was approved' in passive voice.
Choose the correct meaning of the idiom: 'To spill the beans'
'Spill the beans' means to disclose confidential information or secrets.
Choose the correct meaning of the idiom: 'Burn the midnight oil'
'Burn the midnight oil' means to work or study late into the night.