Read the article about traffic rules．
When you drive， there are some things you must do and some things you mustn't do． For example， when you come to a traffic light， a red light means you must stop． A （A）____ light means you can go if it is safe．
There are also （B） lots of traffic signs you must understand． For example， when there is a stop sign， you must stop， and then you must look carefully． （C） You mustn't continue（继续） to drive， because （D） it is not safe． When you see a no-entry（禁止进入）sign， you mustn't （E） turn into that road．
If you see a keep-left sign， you must drive to the left of it， not to the （F）____． A speed-limit（限速） sign， for example， 70kph， means you mustn't go faster than 70kph， but you can go more slowly． （G） 安全驾驶！


在文中（A）和（F）的空白处填入适当的单词：（A） ______ ；（F） ______

写出文中划线部分（B）和（E）的同义词语或近义词语：
（B） ______ ；（E） ______

将文中划线部分（C）改写为：You mustn't ______ ______ to drive， because it is not safe．

文中划线部分（D）指代的是： ______

将文中划线部分（G）译成英语： ______