The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
| A．having listed | B．listed | C．having been listed | D．listing |
He asked me _____ finished my work.
| A．whether did I | B．if I did | C．whether had I | D．if I had |
He asked _____ for the computer.
| A．did I pay how much |
| B．I paid how much |
| C．how much did I pay |
| D．how much I paid |
The teacher told us that light _____ faster than sound.
| A．travelled |
| B．had travelled |
| C．is travelling |
| D．travels |
Mr. Smith asked Nancy _____ it took her to fly to New York.
| A．how soon | B．how often | C．how long | D．how far |
Mr. Green asked Lily whether she had passed the exam _____
| A．yesterday |
| B．theday before |
| C．theday ago |
| D．before the day |