How much did the computer ________ you? And how much time do you ________ on it every day?
We should return the books to the library ____time.
---Carl, why not go and help your sister water the flowers there? ---Why__________? I’m busy myself. Jack is lying on the grass doing nothing.
---___________ is it from here to Yancheng Railway Station? ---About two kilometers.
We all __________how he made such great progress in a short time.
---I think Miss Gao must be in the library. She said she would go there. ---No, she ___________ be there. I have just been there.