一What does the sign over there read?一“No person ______ smoke or carry a lighted cigarette, cigar or pipe in this area.”
Mike is often absent from class.” “Tell him he _________ answer for it if he goes on behaving like that.”
He tried to ________ in Japanese.
---- Is Mary coming to the concert? ---- I think ________.
---- Have you been here long? ---- _______.