It is no ________ arguing with Bill because he will never change his mind.(全国高考)
Many people believe we are heading for environmental disaster _________ we basically change the way we live.
He is at least as tall as his brother, if not _________.
—Please don't make a noise ! — _________.I will be as quiet as a mouse.
—I'll be away on a business trip. Would you mind looking after my cat? —Not at all, _________.
The boy wanted to ride his bike in the street, but his mother told him _________.