---- Will you answer the telephone? It ________ be your mother.---- Sorry, I _______. I’m very busy.
-Do you know our town? -No, this __________ the first time I __________ here.
Many commentators point out that this leads to a situation __________ more money equals more power.
Was it in the village __________ we used to live in __________ the accident happened?
Now more than 68,000 foreigners are working in Shanghai. The number is 13 times __________ in 1996,when Shanghai started issuing work permits for foreigners.
Whatever background you come from, you can be __________ successful with your hard work like many others.