Teachers have to constantly update their knowledge in order to maintain their professional ________.                  
#11192
A
consequence
B
independence
C
competence
D
intelligence
推荐题目
I go to the cinema        .
#14378
A
every three week
B
every other weeks
C
each three weeks
D
every third week
The school isn't the one I really wanted to go to,but I suppose I'll just have to ________ it.
#11525
A
make the best of
B
get away from
C
keep an eye on
D
catch up with
custom                 
#14161
A
measure
B
upstairs
C
respect
D
sugar