I ________ my homework while my parents ________ TV at 9 last night.
----Which is _______ to understand, this book or that book? ---- I think both of them are quite easy.
----______ is the lady in white? ----She is a nurse.
----Do you know _______ young man under the tree? ----Yes, but only a little, maybe he is _______ university student.
My father goes for a walk daily.
The little girl is fortunate to get help from so many strangers.