We have to delay the party till next week, ____ we will not have something important to do.
A. when B. which C. at which D that
After beating Greece with only ten on team, Costa Rica ______ as the biggest dark horse in Brazil.
| A．showed off | B．showed up |
| C．showed around | D．showed in |
The dish has a special flavor（风味）. You can hardly imagine how it tastes ______ you really taste it.
| A．since | B．after | C．until | D．as |
---Have you got the ticket to the football match? ---No. When I got to the ticket office, ______ was left.
| A．nothing | B．none | C．no one | D．few |
I haven’t finished my report, but I promise I ______ it by the end of the week.
| A．will finish | B．have finished |
| C．will be finishing | D．will have finished |
Brazil has hosted the World Cup once before, in 1950, ______ they lost 2-1 in the final to Uruguay.
| A．when | B．which | C．where | D．at which |