请教5道名词性从句的题目,希望大家多多指教,

请教5道名词性从句的题目,希望大家多多指教,
1.when she was awake,she found that she was standing on______seemed to be a piexe of stone.
a.that b.which c.what d.it 我选的是B,
2.This painting is splengdid,but______we actually need it a different matter.
a.that b.what c.whether d.how
3.______is the pressure their kids bear in dealing with monthly exams in key middle schools.
a.that parents worry b.the thing worries parents c.what parents worry d.what worries parents 我选的C答案是D
4.in some countries,______are called "public schools" are not owned by the public.
a.which b.as c.that d.what 我选的A,
5.--don't you believe me?
--______,I will believe ______you say.
a.no..whatever b.yes..no matter what c.no...no matter what d.yes..whatever 我选的B,