The word innovation in Paragraph 3 is closest in meaning to______.A．creationB．ins

What does the word precursor in the context in the second paragraph mean？

Fill in the blank in Paragraph 5 with proper words. （within 5 words)

The word“collapsed”in paragraph 4 most probably m

In the first paragraph the word“environments”coul

The underlined word rewery in Paragraph 3 most

The word invade in the last paragraph is used t