The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.
#82286
A
being carried out
B
carrying out
C
carried out
D
to carry out
推荐题目
A fish needs water and without water it will die. _______.
#83997
A
so does a man  
B
so will a man
C
so it is with a man
D
so is it with a man
Only when medical expenses are reduced      access to proper medical treatment.
#84345
A
poor people do have
B
poor people can have
C
can poor people have
D
do have poor people