The teacher, together with his students, visiting the museum when the earthquake struck.
| A．was | B．were | C．had been | D．would be |
The young couple have been looking for houses，but haven’t yet found _________they can afford．
| A．one | B．that | C．them | D．it |
It is reported that a powerful earthquake ______the Italian island of Sicily early this morning.
| A．happened | B．caused | C．occurred | D．struck |
The room became ______ crowded after the desk was moved out.
| A．a little | B．fewer | C．less | D．much |
A post office should be built in a central ______ for the sake of the convenience.
| A．position | B．situation | C．eruption | D．connection |
They wanted to charge $5,000, ______ we managed to bring the price down.
| A．but | B．so | C．when | D．since |