Is Russia _____ European country — Yes, though a large part of it is in _____ Asia.

When Madam Cuirie did the science experiement again, she was more careful where she _____ a mistake

The old man, _____ abroad for twenty years, is on the way back to his motherland. [ ]

When shall we start —Let’s_____ the time for the trip What about 8:30 Is that all right

They _______ to come to themeeting on time，but they were late again