A. past progressive
The past progressive tense<span> describes something from the past that is consistently happening. Usually, it sets the stage for the next thing that will happen. It is used with the verb "was or were" and an -ing verb.
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Basics of the language (how to say hi, bye, and simple things like that), how to greet people, learn what is considered insensitive or wrong to people of the country, learn some important laws(this is more of an issue in the Middle East if you're a girl or gay but you should still look into it a little bit)
The group of words that form a prepositional phrase is C) of hats.
A<em> prepositional phrase</em> is a group of words that consist of a preposition and it is followed by an object. The object is generally a <em>noun</em>, but it can also be a <em>gerund</em> (a verb form ending in –ing that functions as a noun), or even a <em>clause.</em> In this sentence, <em>“of”</em> is the preposition and <em>“hats”</em> is a noun functioning as a direct object.