Practice questions without fighting the page.

<b>Explanation</b> <ul> <li>Correct: <b>with</b>. Use “with” to show the instrument or means used to do something: <i>kill with a rifle</i>.</li> <li>Other options: <b>by</b> is for the doer/agent (often in passive voice: “killed by him”), <b>from</b> and <b>at</b> do not indicate instrument.</li> </ul> <p>Rule: use <i>with</i> for tool/means; <i>by</i> for agent in passive voice.</p>

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<div class="ai-chip">? Vocabulary Learning</div>
<div class="ai-answer-card"><b>✅ Correct Answer</b><p>The correct synonym is "Undifferentiated."</p></div>
<div class="ai-why-card"><b>? Why?</b><p>Indiscriminate means not distinguishing or separating; undifferentiated means not showing differences, which matches the idea.</p></div>
<div class="ai-rule-card"><b>? Remember</b><p>Think of "un-" + "differentiated" to remember no differences are shown.</p></div>
<div class="ai-example-card"><b>? Example</b><p>The products were sold in an undifferentiated batch with no special choices.</p></div>
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<b>Explanation</b> <ul> <li><b>Correct answer: D) at</b> — The phrasal verb <i>hint at</i> means to indirectly suggest or imply something.</li> <li>Rule/usage: Use <i>hint at</i> when you want to say someone suggested a possibility or hinted something without stating it directly.</li> <li>Why others are wrong: <ul> <li>A) <i>of</i> — not used with <i>hint</i> in this sense.</li> <li>B) <i>for</i> — not the standard collocation with <i>hint</i>.</li> <li>C) <i>with</i> — not correct for this meaning.</li> </ul> </li> </ul>

"News" is an uncountable noun and always takes a singular verb.

<b>Correct option: B</b> to <ul> <li><b>Reason</b>: The verb “fight” can take the infinitive/aim sense with <i>to</i> to show purpose or goal (fought to defeat/overcome every kind of aggression).</li> <li><b>Why others are wrong</b>: <ul> <li>against — would imply actively opposing aggression, but the sentence needs a purpose/goal sense.</li> <li>with — used for means or accompaniment, not for purpose here.</li> <li>at — not used with this meaning in this context.</li> </ul> </li> </ul>

"jury" is treated as a collective noun, and when referring to the group as a whole, generally we use a singular verb "was."