After long a nd hard work, the police at last discovered the ________ of the baby found by the side of a road.
| A．attitude | B．identity |
| C．situation | D．concern |
You could see the runners very well from ______ we stood.
| A．which | B．where | C．that | D．when |
All of the flowers now raised here have developed from those _____ in the forest.
| A．once they grew | B．they grew once | C．that once grew | D．once grew |
The modern history of Italy dates from 1860, ______ the country became united.
| A．when | B．if | C．since | D．until |
We will be shown around the city： schools, museums, and some other places, _______ other visitors seldom go.
| A．what | B．which | C．where | D．when |
The old building, behind _______ was a famous church, was _______ we used to work.
| A．that, the place | B．it, the place | C．which, where | D．what, where |