I think the correct subordination conjunction to complete the sentence would be : D. whatever
Whatever he did to study for the final exam must be have been helpful; his grade improved from a B to an A. The other one seems not to make any sense
hope this helps
Rewriting the given sentences to become a complex sentence, it becomes: Since the student practiced her presentation carefully, she was prepared.
This is because there are three simple sentences that are used that talk about a single idea and in order to combine them, the use of transition words and commas was used.
<h3>What is a Complex Sentence?</h3>
This refers to the type of sentence that contains at least one independent and dependent clause.
Hence, we can see that Rewriting the given sentences to become a complex sentence, it becomes: Since the student practiced her presentation carefully, she was prepared.
This is because there are three simple sentences that are used that talk about a single idea and in order to combine them, the use of transition words and commas was used.
Read more about complex sentences here:
brainly.com/question/17538242
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Answer: A biographer is a person who specializes in writing true stories on events in people’s lives
Explanation:
Hope this was helpful!! :)
Contrast: Insects may have entered a cool home and earthworms would have escaped to under the cool soil.
Compare: They both may have gone to a chilly area from their instincts.
My opinion is
<span>The best class in the school finished the test in less than 10 minutes.</span>