21. Tom has _____ good knowledge of English and this will improve his chance of finding _____ proper job.
A. a; the B. a; a C. /; a D. /; the
22. Being too about your food is not good for your health.
A. special B. particular C. worried D. mean
23. The couple decided to _____ another two children who lost their parents in the disaster.
A. receive B. adapt C. adopt D. bring
