In recent years the environmental pollution has been _________ than before.
#44486
A
so serious
B
serious
C
more serious
D
too serious
推荐题目
The more you smile, the ___________ you will feel.
#45595
A
happy
B
happier
C
happily
D
more happily
Jim is very_____ because he doesn’t like exercise.
#45369
A
health
B
healthy
C
healthily
D
unhealthy.