The temperature in London hit 21C yesterday, ____ for this time of year, while the normal figure is around 14C.

1. A.
   outstanding  
2. B.
   unusual      
3. C.
   common           
4. D.
   frequent

The temperature in London hit 21C yesterday, ____ for this time of year, while the normal figure is around 14C.

A．outstanding   B．unusual        C．common             D．frequent

The temperature in London hit 21C yesterday, ____ for this time of year, while the normal figure is around 14C.
A．outstanding   B．unusual       C．common            D．frequent