SHE IS THE ELDEST IN HER HOUSE, SO SHE HAS TO LOOK _________HER BR...

28. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

28. She is the eldest in her house, so she has to look _________her brother when her parents go out.

A. for

B. at

C. up

D. after