With some effective measures __________，the traffic condition of the city has been further improved.
| A．adopting | B．adopted |
| C．to adopt | D．being adopted |
Lucy has ______ all of the goals she set for herself in high school and is ready for new challenges at university.
| A．acquired | B．finished |
| C．concluded | D．achieved |
Can you ______ American English from British English?
| A．tell | B．observe |
| C．see | D．divide |
Please give me a call ______ you arrive in New York.
| A．swiftly | B．thoroughly |
| C．instantly | D．constantly |
I don't mind her criticizing me, but ______ is how she does it that I object to.
| A．it | B．that |
| C．this | D．which |
As a global financial center, Hong Kong serves as the ______ role in the course of Renminbi internationalization.
| A．unique | B．only |
| C．single | D．typical |