Howl because ing is a suffix.
I believe the answer is abhor.
It expresses the many types of English the Tan family uses.
Answer:
Topic Sentence for Paragraph 2:
Goddard was able to make great contributions to the field of engineering after receiving modest support from a few sources.
Topic Sentence for Paragraph 3:
He thus began his lifetime of dedicated work.
Closing Sentence for Paragraph 4:
Goddard's acclaim partially stems from his work developing the first rocket using liquid fuel.
Yes, but when using a comma the 2nd part of the sentence typically can't stand alone. On the other hand, semicolons are used to connect two related sentences that can stand alone.