When Peter __________ the car door, he found the key left in his car. So he had to call for help.
| A．opened | B．was opening | C．was to open | D．had opened |
28. Nowadays with the development of science , more new technology ___ to the field of IT.
| A．has introduced | B．is being introduced | C．is introduced | D．was introduced |
27. “I’d like to give my thanks to those ___ help my son will be able to survive his terrible disease” said the woman on TV .
| A．who | B．that | C．with whose | D．with their |
26. When I asked her what she did yesterday , she pretended ___about it .
| A．not to hear | B．not having heard | C．to not have heard | D．not to have heard |
25. --- Why didn’t you tell him about the meeting ?
--- He rushed out of the room ___ I could say a word .
| A．before | B．until | C．when | D．after |
24. ---Michael is one of the top students in our class .
--- ___ , he cheated in the last exam .
| A．On the other hand | B．Generally speaking | C．To be honest | D．Above all |