—_________ will Liu Yang stay in the space station this time?
—For six months.
How long
How often
How much
How soon
Sally's home is far from Fun Times Park, so she ________walks there.( )
seldom
usually
often
His mother took him to visit the Great Wall on his _______birthday.( )
nine
nineth
ninth
They ________on the sofa when the telephone_______.( )
sit; rang
were sitting; rang
sat; was ringing
________song the little girl sings!( )
What a sweet
How a sweet
What sweet
I think you'll miss the train______you hurry up.( )
if
and
unless