I’ve kept up a friendship with a girl whom I was at school ________ twenty years ago.
| A．till | B．with |
| C．about | D．since |
We were ____ to go out for a camp ____ it began to rain.
| A．hardly; than | B．around; as |
| C．about; when | D．nearly; while |
____ several times, the young scientist still kept on doing his experiments.
| A．Having failed | B．Having been failed | C．Failed | D．To fail |
It was last October ____ they finally came back to their hometown.
| A．when | B．that | C．what | D．until |
My pen is missing I can’t find ____ anywhere.
| A．one | B．this | C．that | D．it |
Had I learnt English well, I ____ interview for the job tomorrow.
| A．would take | B．would have taken |
| C．must take | D．could be taken |