Health problems are closely connected with bad eating habits and a _____ of exercise.
#5155
A
limit
B
lack
C
need
D
demand
推荐题目
Such a magazine has______except when you have time to kill.
#7080
A
little value
B
much value
C
a lot of values
D
great value
His latest research is at the   of genetic science. 
#5898
A
maiden voyage
B
cutting edge
C
focus group
D
daily basis