I passed by the sports field the other day, __ there was a football match going on then.
| A．that | B．where | C．which | D．when |
The police asked him to _________what he had seen.
| A．set about | B．set down | C．set up | D．set out |
The number of people in the party _____fifty, but a number of them ____ absent for different reasons.
| A．were; was | B．was; was |
| C．was; were | D．were; were |
He asked us ________ we saw the lost cat or not.
| A．that | B．what | C．which | D．whether |
After the exam, my teacher told me that failure ____ the mother of success.
| A．was | B．is | C．be | D．been |
In order to stop his wife from attending the party, he took away the key to their car _____.
| A．by mistake | B．in surprise |
| C．on purpose | D．by chance |