—Thank you for having bought me a ticket for the World Expo in Shanghai!
— ________.
| A．Come on | B．All right | C．No problem | D．With pleasure |
Teachers have to constantly update their knowledge in order to maintain their professional(专业的)_______.
| A．consequence | B．independence | C．competence | D．intelligence |
Everything comes with _____ price; there is no such _____ thing as a free lunch in the world.
| A．a; a | B．the; / | C．the; a | D．a; / |
The most important thing_______we should pay attention to is the thing_______I have said.
| A．which that | B． that which | C． which which | D．that that |
We are invited to a party ________in our club next Friday.
| A．to be held | B．held |
| C．being hold | D．holding |
He's got himself into a dangerous situation ______he is likely to lose control.
| A．where | B．which | C．While | D．that |