I didn’t know ______ last year.
We spend as much time as we can _______ English.
When did your father _______ your mother?
---Have you returned the book to the library _______? ---Yes, I have _______ retuned it.
---Do your parents have the same hobby? ---No.My father likes playing____ football while my mother enjoys playing _____piano.
My parents are always strict________ me.