I felt somewhat sad and was about to leave _________ something happened which drew my attention.
| A．unless | B．until |
| C．when | D．while |
To my understanding, a high school graduate has already reached a point in his/her life ______ he/she is supposed to make decisions of his/her own.
| A．which | B．where | C．how | D．why |
He is not native; if he were, we ______ this discussion over his identity.
| A．would not be having | B．are not having |
| C．had not had | D．will not have |
In those days our primary ______ was to provide people who were trapped in the snowstorm with food and healthcare.
| A．anxiety | B．concern | C．incident | D．doubt |
If you respect others ______ their economic background, you should be able to make lots of friends.
| A．according to | B．besides | C．regardless of | D．in terms of |
The potential of economic development of one region varies from ______ of another.
| A．any | B．that | C．one | D．some |