After the war, a new school building was put up ________ there had once been a theatre.
| A．that | B．where |
| C．which | D．when |
In our class there are 46 students, ______ half wear glasses.
| A．in whom | B．in them | C．of whom | D．of them |
Tom took a taxi to the airport, only ______ his plane high up in the sky.
| A．to find | B．finding | C．being found | D．to have found |
New technologies have made ______ possible to turn out new products faster and at a lower cost.
| A．that | B．this | C．one | D．it |
Not only I but also Jane and Marry ______ tired of having one examination after another.
| A．is | B．are | C．am | D．be |
If he takes on this work, he will have no choice but ______ an even greater challenge.
| A．meets | B．meeting | C．meet | D．to meet |