_____ 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. [ ]