Do you know your personal details__secretly,surfing the internet from your home?A.gather B.have gathered C.are being gathered D.gathered为什么选C?

Do you know your classmates ____ (good)? Do you know your student n______ your are my baby ,do you know Do you know your _______(parents) birthdays? Do you know your parents' birthdays? When was your mother born Do you know (合并成一句)Do you know () your mother () ()? Do you know where is your heart now? Do you know when your mother___(come,will come) How ____(good)do you know your friends DO YOU KNOW the relation between your two eyes? How well do you know your new friends? H____well do you know about your best friend You are so dick do your family know Do you know where()(look)for your little dog,Amy? do you know any f___teaching in your school是什么意思 do you know your parent's ________(date) of birth? do you know your parent's ________(date) of birth? As a wife,DO you know your duty?