— Where is your ruler?—_______ in the pencil case.A.They are B.It’s C.This is
–What do you think of Superman II? ---I ________.
---Where ________ you last night? I called you, but got no answer. ---Sorry. I ________ out with my brother.
Of all boys, Tom is ________.
He expects ________ a dentist one day
________ milkis________ yourhealth.