Now let me tell you the work I have been doing with them. My job with the UN is not paid, but voluntary and as I said _______, I mainly visit countries where the UN has programs to help people.
| A．before | B．although | C．even | D．in case |
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 |
There was a man crying over there．He _______ himself．
| A．could hurt | B．might hurt | C．must have hurt | D．might have hurt |