In order to protect the trees, the old man lives _________ in a _________ house, but he doesn’t fell _________.

Kathy______ a lot ofSpanish by playing with the native boys and girls

Did your brother know–No，I didn’t tell him aboutit．

We used to work in the same office and we____ often have coffee together, which I missed so much years later.

Not until ___ to do my homework ____ how much time I had wasted playing computer games. [ ]