—Can I look at the menu for a few seconds before I decide?
—Of course． ，sir．
| A．Take your time | B．It doesn’t matter |
| C．Enjoy yourself | D．Help yourself |
---- Could you be so kind as to close the window?
----- _______.
| A．With pleasure. | B．Go ahead | C．Yes, please. | D．That’s OK. |
"Genius" is a complicated concept, _ _ many different factors.
| A．involved | B．involving | C．to involve | D．being involved |
---- We've only got this small bookcase. Will that do?
---- No, _ _ I am looking for is something much bigger and stronger.
| A．who | B．that | C．what | D．which |
---- Was it by cutting down staff _ _she saved the firm?
---- No, it was by improving work efficiency.
| A．when | B．what | C．how | D．that |
The club, _ _ 25 years ago, is holding a party for past and present members.
| A．founded | B．founding | C．being founded | D．to be founded |