1篇初二首字母We can find underground railways in many m____ cities.An underground train can start and stop quickly.This helps it to go s___ between stations.The doors can open and close a____.All the systems are e____.Each train can take a lot
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1篇初二首字母We can find underground railways in many m____ cities.An underground train can start and stop quickly.This helps it to go s___ between stations.The doors can open and close a____.All the systems are e____.Each train can take a lot
1篇初二首字母
We can find underground railways in many m____ cities.An underground train can start and stop quickly.This helps it to go s___ between stations.The doors can open and close a____.All the systems are e____.Each train can take a lot of passengers.
Unederground trains run as fast as trains above the ground.Of couse,the buses in cities don't run as fast as the underground.Taxis don't,e____.If you are in a hurry,you'd b____ go by underground.It is cheap and c_____.
1篇初二首字母We can find underground railways in many m____ cities.An underground train can start and stop quickly.This helps it to go s___ between stations.The doors can open and close a____.All the systems are e____.Each train can take a lot
We can find underground railways in many modern(现代的城市都有地铁) cities.An underground train can start and stop quickly.This helps it to go straight(笔直地) between stations.The doors can open and close automatically(自动开关车门).All the systems are efficient(效率高的).Each train can take a lot of passengers.
Unederground trains run as fast as trains above the ground.Of couse,the buses in cities don't run as fast as the underground.Taxis don't,either(“也”没有地铁快速).If you are in a hurry,you'd better(最好) go by underground.It is cheap and convenient(便利的).
modern
stations
automatically
eletronic
either
better
convinient