My father was reading newspapers ____ my mother was cooking at this time yesterday evening.

I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.

It is said that the bank was_______ a large amount of money.

Only ________ of the students come to school by bus.

My father used to ______ me to concerts. But now, I have no time for concerts.