____________ you may have, you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
_______ well prepared a gymnast is, he still needs a lot of luck in performing.
| A．Whatever | B．Although | C．No matter | D．However |
_______ Typhoon Morakot struck Taiwan led to water and electricity shortage on the island.
| A．Which | B．That | C．What | D．As |
Unemployment in USA is likely to remain high in 2010, and _______ for the next few years.
| A．possibly | B．necessarily | C．gradually | D．normally |
It can’t be a(n) _______ that four jewelry stores were robbed in one night.
| A．accident | B．incident | C．chance | D．coincidence |
—Ready to give up guessing, Sandy?
—No, no. Hold on! I think I _______ at the answer now.
| A．arrive | B．have arrived | C．arrived | D．am arriving |