The last two decades have witnessed the dramatic development in the field of telecommunications.
A: withdrawn
B: succeeded
C: seen
D: viewed
A: withdrawn
B: succeeded
C: seen
D: viewed
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
- He asked me where I _____Mary A: last saw B: have last seen C: would last see D: had last seen
- 2. A _____________of businesses have emerged in the past two decades as reforms have deepened.
- In the last two decades world production of electricity has roughly doubled, with the developing nations _______ the developed.
- He is good at writing and her two short stories ______ in magazines. A: see B: saw C: have seen D: have been seen