_______ a chance, we are bound to visit the2010 Shanghai EXPO.

To most people,coffee can keep them after they worked hard.

I called Nina several times,but she didn’t answer. — Of course, she ____________ Londonfor a visit.

He was walking along the sands _______ hesaw a big foot-print in the sand

Which of the two coats will you take—I’ll take________ of them，because I don’t like the colours.