We were _______ for half an hour in the traffic and so we arrived late.A. kept offB.b

An investigation was made into the accident, ______ fifty people were killed.A．for thatB．w

By the time she is 50 years old she ______ an inmate of the prison for over half of her l

By the time she is 50 years old she ______ an inmate of the prison for over half of _____

There __________ nothing more for discussion the meeting came to an end half an hour earl

After school we usually play ______ soccer for half _______ hour on _______ sports ground.

The bus came after I ____ for about half an hour.