The open university was started in order to help those who _____ having a university education when they were young.
| A．stopped | B．failed | C．missed | D．ceased |
His aunt’s letters ___of those beautiful days when they used to live together in his hometown.
| A．call him on | B．call him for | C．call him up | D．call him up 。 |
When seeing a stone in front of the car, _____.
| A．the car stopped | B．the car was stopped |
| C．the driver stopped the car | D．the car was stopping |
Smith wrote an article on ____ he failed to pass the exam.
| A．why | B．that | C．who | D．what |
It wasn’t until a month later ____ I received his letter.
| A．that | B．since | C．when | D．as |
They wanted to charge $6,000 for the house, ____ we managed to bring the price down.
| A．but | B．so | C．since | D．when |