The weather__________ colder and colder.
A. is getting               B. will get                  C. get                     D. gets

 I _________ badminton with my elder brother when I broke my leg.
A. was playing                B. am playing                 C. played               D. will be playing 

Lan called me when I __________ a bike.
A. was riding           B. ride            C. am riding              D. will be riding