I think you should complain —___________,of course, you are happy with the way things are.
| A．if | B．unless | C．as | D．because |
My brother is very good ___ ping-pong.
| A．in | B．for | C．at | D．on |
Taiwan is ____ the east of Fujian.
| A．in | B．at | C．to | D．on |
He went to Nanjing ___ October, 2008.
| A．in | B．on | C．at | D．to |
Information technology is taught in most schools, ________ we have entered the information society.
| A．so | B．while | C．still | D．for |
My aunt has worked in a clinic ____2008.
| A．after | B．before | C．till | D．since |