摘要：2．Icy temperatures have damaged thousands of trucks and trains with coal, food and passengers in the most severe winter in 50 years in Southern China. A．loading ; seen B．loading ; seeing C．loaded ; saw D．loaded ; seen
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Icy temperatures have damaged thousands of trucks and trains ________ with coal, food and passengers in the most severe winter ________ in 50 years in Southern China．
- A.loading; seen
- B.loading; seeing
- C.loaded; saw
- D.loaded; seen