Not until the motorbike looked almost new ________ repairing and cleaning it .
| A．he stopped | B．did he stopped | C．stopped he | D．he did stop |
27.If you ________ to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.
| A．switch | B．appeal | C．submit | D．adapt |
26. —Are you going to further your studies after graduation?
—Well, I ________ yet. I might make some other choices.
| A．didn’t decide | B．haven’t decided | C．don’t decide | D．hadn’t decided |
25. —Some Chinese students find it difficult to understand native speakers when in London.
—Exactly, ________ they’ve learned a lot about grammar and known many words.
| A．if only | B．now that | C．as if | D．even if |
24. —Mum, can I have another piece of bread?
—________.
| A．Behave yourself | B．Help yourself | C．You got it | D．You are welcome |
23. After suffering a heart attack, Michael Jackson was pronounced dead, ________ a tragic end to the world’s most popular entertainer.
| A．marking | B．to mark | C．marked | D．having marked |