--When did your father come back last night? --He didn't come back _______ he finished all the work. A. until B. while C. if
The match was and I felt .
David went to buy some stationery souvenirs(纪念品) my cousin.
The Statue of Liberty is in .
More than 20 people ________ in traffic accidents ________ last May.
He has never ________ of such a thing before.