We ________ used computers years ago, but now they are everywhere.
—Would you mind turning down the music? — _____________.
— Your aunt often walks the dog in the morning. — Yeah, ___________ bad weather stops her. A. when B. unless C because D. since
— David, why are you so excited? —My father has made a _________ that he will take me to Tibet next month.
—Mum, may I have some cakes? — Sorry, there’s ____________ left in the box. I’ll go and buy some for you tonight.
The fire is dangerous. We should _____________ as quickly as possible.