单项选择题
A.due B.caused C.because D.owe
The volunteers started looking after other children（）pa...
单项选择题The volunteers started looking after other children（）parents died of AIDS last year
A.whose B.that C.which D.who
I started looking after other children（）parents went ou...
单项选择题I started looking after other children（）parents went out to work.
A.who B.which C.whose D.that
That is the dog（）name is Henry.A.whoseB.whoC.whomD.whic...
单项选择题That is the dog（）name is Henry.
A.whoseB.whoC.whomD.which
