The 20th century _____ the growth of the aviation industry.
A: watched
B: witnessed
C: looked
D: went
A: watched
B: witnessed
C: looked
D: went
举一反三
- The 19th century ______the development of industry. A: A) witnesses B: B) is witnessing C: C) witnessed D: D) have witnessed
- Since the______, the U.S. film industry has largely been based in and around Hollywood, Los Angeles. A: early 20th century B: middle 19th century C: early 19th century D: middle 20th century
- What were the three features in the growth of American economy at the beginning of the 20th century?
- The 20th century has witnessed an enormous worldwide political, economic and cultural ______. A: transformation B: transportation C: transmission D: transition
- There was a strange sound outside. Mary went out and____ around, but she ___ nothing. A: looked, saw B: saw, saw C: watched, looked D: looked, find