A major search has been_____ for a Malaysian Airlines jet with 239 people on board after it lost contact flying from Kuala Lumpur to Beijing.
| A．identified | B．launched | C．substituted | D．dissolved |
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 |
The little time we have together we’ll try _____ wisely.
| A．spending it | B．to spend it | C．to spend | D．spending that |
We are living in an age ______ many things are done on computer.
| A．which | B．that | C．whose | D．when |