11. My friend often shows her ________________ whenever I have troubles. A. sympathy B. sympathize C. sympathetic D. sympathetically 12. In Vietnam, two, three or even four generations live _______________ one roof. A. in B. over C. with D. under 13. My close friend is often concerned __________ all problems that I mention. A. over B. with C. in D. on 14. The boy learns hard in his____to be the top in every exam,which will leave a good impression on his girlfriend A. try B. attempt C. way D. wish 15. A (n) ____________ child means a child who behaves badly and saddens his parents. A. active B. hard – working C. obedient D. mischievous