With the loss of labor，the old farmers ________at home had to choose less laborintensive crops.
| A．having left | B．to leave |
| C．left | D．leaving |
-Artistic people can be very difficult sometimes.
-Well, you married one. _____.(2011.全国I)
| A．You name it |
| B．I've got it |
| C．I can't agree more |
| D．You should know |
In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.(2011 .重庆)
| A．the;/ |
| B．a;an |
| C．a;/ |
| D．the; an |
To be great, you must be smart,confident, and, _____, honest. (2011.安徽)
| A．therefore |
| B．above all |
| C．however |
| D．after |
Be ______ — you can't expect me to finish all this work in so little time. (2012 .山东)
| A．reasonable |
| B．confident |
| C．creative |
| D．grateful |
He made another wonderful discovery, _____ of importance to science.
| A．which I think is |
| B．which I think it is |
| C．which I think it |
| D．I think is |