The conflict had developed into a stage ______ the two countries were gathering big troops on the border

It’s 12:00 now. It’s time us have lunch.

What do you think of thesedictionaries— Most of them are updated. Still, ______is so suitable for high school students as Multifunction English – ChineseDictionary.

Some festivals are held to honour the dead or to satisfy the ancestors, who __________ return either to help or to do harm.

The China Education Expo 2010 provides visitingstudents with ________ wealth of information on ________ options open to themfor overseas study．