根据汉语意思完成句子.

1. 他们准备在武汉建一座地铁.

    They are going to ____ a____ in Wuhan.

2. 我打算退休后去一个美丽而宁静的地方.

    I'm going to somewhere quiet and beautiful after I__________．

3. 两名运动员同时到达终点.

    Two runners got to the finishing line ____ the ____time.

4. 我打算办一次画展,为自己存一些钱.

    I'm going to ____ an exhibition and         some money for myself.

5. 到现在为止还是没有消息.

    As ____ there is still________.

压缩比高的汽油发动机应选择低标号的汽油，否则容易产生爆震现象。