Because of the 2008 Olympic, great changes have _________ in Beijing. A. taken place B. improved C. happened
These English songs are very popular and they often____ on the radio all the time.
---Have you finished reading The Twilight Saga? ---No, I _______ my homework all day yesterday.
I enjoy _____the western food and I often make some for my parents.
If the green light isn’t on, ___________ a minute.
--- Jenny, ________do you visit your grandparents? --- Twice a month.