logs experienced rapid growth in 2013 in China, with its operators, users and visitors several times.

China Business Daily reported the 60% discounts onsome Beijing-shanghai flights have now slipped back to 20% _______ one day inadvance.

When the journalists caught up with the soldiers along the broken road finally,they ___ towards the earthquake – hit town at high speed

This is John’s photo. We miss him very much. He ________ trying to save a girl in the earthquake.

Could you help me work out the maths problem, Mrs Zhao — . What is it