( )(1) We have dinner ___ 6:00 pm.A. in B. on C.at
( ) The reason ____he was absent from the meeting was ____his car broke down on the way.
( ) Is this factory ______you visited last week?
( )They won’t allow us ________ at this beach.
( )We need fifteen more people _____our team to do the job.
( ) He _________ Alice for ten years.