-There ______ many trees at the foot of the mountain.--But now they are slowly disappearing because of human activities.A.is used toB.used toC.used to be
-----_______ I wash the clothes now?-----No, you _______. You _______clean the room first.
______ exciting news it is! Our school football team won the first prize..
We have known the boy very well _______came to our school last term..
------How can I learn English well?------__________more speaking and listening.
Nobody except Lily and Lucy _________the park before. Only they can be our guides.