—It's been a wonderful evening. That's very kind of you.
—________.
| A．It's my pleasure | B．With pleasure |
| C．Go ahead | D．Not really |
--- A high-tech exhibitionin the National Museum.
--- Really? What about visiting it now? .
| A．will be held | B．is being held | C．is to be held | D．has been held |
The middle-aged man over there, for life was oace very hard, is now a very successful businessman.
| A．whom | B．whose | C．which | D．his |
—Did you stay up late last night?
—Not very late. It was half past elevenI went to bed.
| A．that | B．when | C．before | D．since |
—When didaccident happen?
—Oh, it was onSunday towards the end of this summer, as far as I can remember.
| A．an; the | B．/;the | C．the; a | D．an;/ |
The project is so designed that once _______ nothing can be done to change it．
| A．starts | B．having started | C．started | D．starting |