_____ have you stayed in this city?—For about five years. [ ]

I didn’t know you go to school by taxi.—-Oh, I __________ take a taxi to school, but my bike needs repairing.

If you for your favorite TV programs, you will feel sleepy.

He doesn’t tell me when he_______ . I’ll telephone you as soon as he______.

How do you learn English so well?—______ chatting with my uncle in America-online. [ ]