---Is your father in now?--- No,he____ to Fan Changjiang Memorial with his friends.
A set of keys _____ on the table. Can you see _____ .
---I visited the Qinhu Lake last Sunday. ---______ Why didn’t you tell me earlier?
If you are an animal lover, you might find our programme ________.
I don’t doubt _________ his advice is well worth________.
---Make sure that you will come here on time. --_______.