25. ---- Ricky, why hasn’t Billy been with us these days?
---- Oh, he is _________for next month’s 400m race.
| A．standing out | B．taking up | C．backing out | D．working out |
_________ the lecturer more clearly, I arrived early and chose a front seat.
| A．Hear | B．Hearing | C．Heard | D．To hear |
Talking about buying cars, I prefer a car less than 100,000 yuan to _________ over the amount.
| A．this | B．it | C．that | D．one |
Through the economic reform, the economic situation of China _________ much better than it used to be.
| A．turned into | B．turned off | C．turned in | D．turned out |
When you rewrite the paragraph, I advise you to leave outis thought unnecessary or misleading.
| A．where | B．which | C．these | D．what |
_________ much I dislike the idea of begging in the street, we should still show consideration for those who are in difficult situations.
| A．However | B．How | C．Whatever | D．No matter |