【简答题】1 Who often have to decide whether they would prefer to travel by land, sea or air? 2 Is it easy to read on a train? 3 What lulls you to sleep? 4 Are long car journeys more, or less, pleasant than tra...
【简答题】We can see many traffic signs on both sides of the roads or streets. Some tell the driverswhat to do, and others tell them what not to do. The traffic signs are the traffic rules. All people must obey...