Answer:
seek his or her own Happiness
Wanting to refer to a group
Answer: D
Explanation: did test, hope this helps (:
4️⃣Jane did not fill her car up with petrol before she left, <u>that</u> was careless of her.
5️⃣ They always give the available seats to <u>whoever</u> comes first.
6️⃣ A home computer <u>provides</u> an opportunity for convenient and efficient work at home.
7️⃣ Near the White House is another famous landmark <u>called</u> the Washington Monument.
8️⃣ There was a small room into <u>that</u> we all crowded.
9️⃣ I received two job offers, <u>neith</u><u>er </u><u>of </u><u>which</u> I accepted.
1️⃣0️⃣ I have three brothers, <u>two </u><u>of </u><u>them</u> are professional athletes.

Answer: A modal verb is a type of verb that is used to indicate modality – that is: likelihood, ability, permission, request, capacity, suggestions, order, obligation, or advice. Modal verbs always accompany the base (infinitive) form of another verb having semantic content. In English, the modal verbs commonly used are can, could, may, might, must, will, would, shall, should, ought to, had better, "have to" and sometimes need or dare. In English and other Germanic languages, modal verbs are often distinguished as a class based on certain grammatical properties.
Explanation: A modal verb is an auxiliary verb that expresses necessity or possibility. An auxiliary verb, also called a helping verb, “helps” other verbs show moods and tenses. Auxiliary verbs include forms of do, be, and have. The most common modal verbs include must, shall, will, should, would, can, could, may,...