ExamPrepWay
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Solve this faster with the right shortcut first
- Check whether it is grammar, vocabulary, or comprehension.
- Apply the matching rule or locate the evidence line.
- Reject options that sound natural but break the rule or evidence.
Choose an answer, then review the explanation. The correct answer and solution stay hidden until you submit.
Question Locked
Unlock full topic access, detailed explanations, and premium practice support.
Upgrade to continueCorrect answer and explanation unlock after the free practice limit.
Upgrade to continueShort Explanation
PremiumShort solution is premium content.
Upgrade to continueDetailed Explanation
Correct Answer:
Method / Topic: Standard English Conventions
The commas after 'motor' and 'control panel' already separate the three listed items. No comma is needed immediately before 'and' in the blank because the preceding comma is already present in the sentence.
See full explanation + shortcut trick
Compare the quick idea with the premium step-by-step explanation and faster solving trick for this pattern.
Choose an answer, then review the explanation. Continue with Previous or Next after the solution is visible.
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- Check whether it is grammar, vocabulary, or comprehension.
- Apply the matching rule or locate the evidence line.
- Reject options that sound natural but break the rule or evidence.
Question Locked
Unlock full topic access, detailed explanations, and premium practice support.
Upgrade to continueExplanation
Correct answer and explanation unlock after the free practice limit.
Upgrade to continueShort Explanation
PremiumShort solution is premium content.
Upgrade to continueDetailed Explanation
Correct Answer:
Method / Topic: Standard English Conventions
The commas after 'motor' and 'control panel' already separate the three listed items. No comma is needed immediately before 'and' in the blank because the preceding comma is already present in the sentence.
See full explanation + shortcut trick
Use the free answer check first, then unlock the complete breakdown, shortcut path, and richer explanations for similar questions.
Keep Practicing This Pattern
Recommended Next Practice
Use these suggestions after solving the practice questions above.