If a computer crashes,you will lose the file you _____ on unless you save it regularly.

________ you are good friends, you must know each other very well.[ ]

Alice, you ______ on the phone.— I’m coming. Thanks.

What surprised me a lot was that he didn’t know _________the difference between“sayand “speak”lay.

With everything ,she went out of the shop, with her hands full of shopping bags.