【简答题】Fill in the blanks with the words or phrases given in the box. A. folding B. hazardous chemicals C. Pets D. regulations E. skateboarding F. smoke Shanghai Metro has its to keep travelers safe and comf...
【简答题】Exercise III Choose the best words to complete the following sentences. handle, refund, destination, disabled, purchase, contact, circumstance,verify (1)The train is leaving for Shanghai, so Shanghai...