Answer: The complete predicate of the sentence given is:
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"depends on us" .
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The classes were all held (verb) in the morning (adverb).
Work began (verb) promptly at nine o’clock (adverb).
The students found the illustrations (noun) of the problem (adjective) interesting and helpful.
Teachers located materials (noun) on different topics (adjective).
Classes (noun) like these (adjective) kept the students busy
