__________ in thought, he almost ran into the car in front of him.
| A．Losing |
| B．Having lost |
| C．Lost |
| D．To lose |
We are so glad that we have _________ all we set out to do.
| A．fulfilled | B．been completed |
| C．been finished | D．Accomplished |
Advertising is distinguished from other forms of communication _________ the advertiser pays for the message to be delivered.
| A．in that | B．in order that |
| C．in which | D．That |
Should the opportunity _________，I'd love to go to Paris.
| A．rise | B．raise |
| C．arise | D．happen |
_________ found my wallet, Tom?
| A．Where did you that | B．Where was it you |
| C．Where have you that | D．Where was it that you |
It was not until 1920_________ regular radio broadcast began.
| A．while | B．which |
| C．that | D．Since |