Some dogs just don’t know _______ fun.
#62425
A
how have
B
how to have
C
how having
D
how to has
推荐题目
 My uncle______ a farmer. Now he is a driver.
#54147
A
is used to
B
is used to be
C
used to being
D
used to be
You must be tired now. Why not stop ________ a rest?
#54187
A
to have
B
having
C
have
D
has
What do you         this new watch?  
#57783
A
look at
B
look for
C
think of
D
think over