Grandfather  doesn’t often     So he isn’t good in heath.
#58969
A
exercises
B
exercise
C
to exercise
D
exercising
推荐题目
It’s cold outside. You’d better          your coat.
#58661
A
put on
B
take off
C
put away
D
put up
The doctor looked ______ the old man ______.
#61427
A
at…care
B
over…careful 
C
up…carefully
D
over…carefully