1 d
2 b
3 b
4 none of them, it is future perfect progressive.
The answer is a branch of advanced mathematics.<span>
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The answer is, or should be, B. An 'adjective phrase' (or adjectival phrase) is a phrasewhose head word is an adjective, e.g. fond of steak, very happy, quite upset about it, etc.
Answer:
dhrthgsdtr447843567jbdddyjkbdsrrr6i6
