—Could I ask you a rather personal question?
—Sure, __________.
| A．pardon me | B．go ahead |
| C．good idea | D．forget it |
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 |
It was in the factory _________ produced TV sets _________ I got to know her.
| A．which; which | B．that; which |
| C．that ；that | D．where ； that |