21. ---- Do you feel like there or shall we take a bus?
---- I'd like to walk. But since there isn’t much time left, I'd rather we a taxi.
A. to walk; hire B. walking; hire C. to walk; hired D. walking; hired
22. Taking drugs every day will him his life sooner or later.
A. cost B. spend C. kill D. lose
23. The author believes that it is the test system, the teachers, that is to blame for the heavy burden of middle school students .
A. other than B. or rather C. rather than D. more than