If he takes on this work, he will have no choice but
It’ll be a year and a half ______ the next Olympic Games are held in London in 2012.
| A．since | B．when | C．before | D．until |
I consider________ a great honor that I have been invited to give a speech.
| A．it | B．that | C．this | D．what |
He wrote ______ song, which turned out to be rather popular with ______ young.
| A．the; the | B．a; 不填 | C．a; the | D．the; 不填 |
They decided to drive the cow away ______ it did more damage.
| A．unless | B．until | C．before | D．although |
No matter how frequently _______, the boy was always in low spirits.
| A．encouraged | B．encouraging |
| C．to be encouraged | D．was encouraged |