Taking regular exercise and eating a balanced diet are two important keys ________ good health.
#25278
A
in
B
from
C
of
D
to
推荐题目
The store had no more red shoes _____, so Mary chose brown ones instead.
#28358
A
in demand
B
in store
C
in need
D
in stock
The situation was very dangerous; the enemies were attacking us _____.  
#27415
A
in and around  
B
from side to side  
C
on all sides   
D
on the other hand
---Is there anything you’d like for dinner?---No, nothing ____. 
#25400
A
in place
B
in return
C
in particular
D
in turn