—When do we need to pay the balance?—________ September 30.
I think that this meal was well worth ________ was charged for it.
—The experiment is of particular importance. —I see. We will carry on with it ________ we can get enough money.
When people move to another country, they often try ________ the customs of their native land.
Although punctual himself, the professor was quite used ________ late for his lecture.
________ I met her, she was working only in a small factory.