. --- What made her unhappy?
--- ___________ in the last exam.
| A．Having failed | B．Fail | C．Failed | D．To fail |
I saw Helen at the party last month. It _________ a year since we met last time.
| A．was | B．is | C．has been | D．would be |
We will do what we can to get the goods _________ on time.
| A．delivered | B．deliver | C．to deliver | D．Delivering |
That they would win had been predicted and _________.
| A．the result was such | B．such was the result |
| C．the result was so | D．so was the result |
Take care! Accidents _________ happen along this part of the road.
| A．will | B．would | C．must | D．Shall |
That was because the school bus was _________ by a thick fog.
| A．broke off | B．held up | C．kept up | D．turned off |