I was doing my homework________my father was reading newspapers．
A．how
B．while
C．if
—I was at the cinema at 9 o’clock last night．What about you?
—I________at home．
| A．am watching TV |
| B．was watching TV |
| C．will watch TV |
| D．watched TV |
—Do you know________?
—This afternoon．
| A．when will the policeman give us a talk |
| B．where will the policeman give us a talk |
| C．when the policeman will give us a talk |
| D．where the policeman will give us a talk |
We were________surprised that nobody believed that it was true．
| A．so |
| B．very |
| C．such |
| D．too |
The bridge________by the villagers last year．
| A．was building |
| B．was built |
| C．is building |
| D．is built |