Oil prices have risen by32 percent since the start of the year,_____a record US $57.65 a barrel on April 4.
| A．have reached | B．reaching | C．to reach | D．to be reaching |
--- Bob, could I use your computer this evening?
--- Sorry. I _____ a report on it then.
| A．will be writing | B．have been writing |
| C．have written | D．will have written |
Scotland voted against independence；more than half of the people chose _____ part of the United Kingdom.
| A．remaining | B．remained |
| C．to have remained | D．to remain |
--- Catherine, will you visit us this weekend?
--- I planned to, but something unexpected _____.
| A．has come up | B．was coming up |
| C．had come up | D．would come up |
--- Talking of travel, have you ever been to Chicago?
--- Yes. I _____ it twice while I was working in the US.
| A．have visited | B．visited |
| C．was visiting | D．would visit |
To his delight, Tom quickly earned the trust of his girl friend and then _____ of her parents.
| A．one | B．ones | C．that | D．those |