They are stamp collectors;they often ________stamps with each other.
Now my father_________his bike to work every day instead of driving.
By the end of the last month, I_________all the CDs Of Justin Bieber.
— How long_________in Hong Kong? — For just the weekend. I’ll be back next Monday morning.
My command of English is not yours.
That doesn’t sound very frightening, Paul, I’ve seen_________. What did you like most about the film?