1.The woman must be from one of the western countries,____ca

1.The woman must be from one of the western countries,____can be seen from the color of her eyes.
A.that B.what C.where D.which
2.This is my sister,______i think has something important to tell you.
A.who B.whom C.that D.which
3._____is reported in today's paper,people found the lost boy yesterday.
A.It B.That C.As D.What
4.I am going to spend my summer vacation in Qingdao,______many of my good friends live.
A.which B.that C.who D.where
5.Our boss is a 55-year-old man,______wife died when he was young.
A.whose B.her C.who D.which
6.Peter said he would come to my house this Sunday,____i would have time to cook for him.
A.which B.when C.where D.then
7.Exercising regularly,______can help to lose weight,is becoming more and more popular among people___are overweight.
A.which;whom B.that;that C.which;who D.it;that
8.Our suggestion was that the sports meet ____off till next month.
A.shouldn't put B.be not put C.not be put D.wouldn't be put
9.Tom likes English and Chinese;what's more,_____is important.
A.each of which B.each of them C.both of which D.both of them
10._______is mentioned above that the number of the students in the senior high school is decreasing.
A.Which B.As C.That D.It
11.The school was built in a quiet place,around ________high mountains.
A.which was B.it was C.which were D.them were
12.Do you know _____of the two boys talking over there,Helen?
A.the taller B.the tall C.taller D.the tallest