Experts say walking is one of the best ways for a person to _____ healthy.
#81811
A
preserve
B
stay
C
maintain
D
reserve
推荐题目
Can you _____ your father in the old photo?
#67572
A
sort out
B
pick out
C
work out
D
break out
Peter must be ill. It’s the only thing that can  _________ his strange behavior.
#77919
A
lie in
B
result from
C
account for
D
explain about
The UK ____Great Britain and Northern Ireland.
#69337
A
is consisted of
B
is made of
C
makes up
D
consists of