Maria (has) many friends in her school.=题目指的是Maria,所以用has.
What do they (look) like?= Do 过后的动词肯定是原词.
Does he (find) his eraser? No,he (doesn't) =does 过后的动词也肯定是原词.
(Is ) Miss Lim from Japan? Miss Lim,she,he,都是用is..