—Some countries are taking action to occupy the islands of the South China Sea.—Yes, but I think they ____be punished sooner or later.

The Internet is really ________ to us. We can get a lot of things from it.

The well-dressed lady was caught stealing in the fashion shop, Strangely enough,she       have done such a thing.

--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?---____ my students have a try?

—Have you decided where to spend your summer holiday?—Not yet. We ___ go to Hong Kong.