The teacher usually grades the students on _______ they have behaved.
When it comes to giving his kids the education they deserve, the 51-year-old father knows he never _______ college without financial aid.
Columbus _________ the New World in 1492.
I’ll finish the job ____ I come across great difficulty.
My brother wants to work in the factory which _________ now.
He told me about the news in a voice.