How long...
The bird covered the distance in three minutes.
大家好，以下这句话如果要造问句的话，可以这样写吗？
课本上的句子是这样的…
In how many minutes do they carry messages from one garage to the other?
可以这样造句吗？
How long does it cost for they to carry the messages form one garage to the other?
或
How long do they cost to carry the messages form one garage to the other?
两句都可以吗？还是有错误的地方呢？麻烦大家指教，谢谢！
参考答案:用how long可以，但你的句子语法有错误。
How long does it take them to carry the messages from one garage to the other?(it takes...sb, some time to do sth.)
或
How much time do they spend (in)carrying the messages from one garage to the other?(sb, spend time <in>doing sth.)
表示花费时间可以用上面两个句型，但不可心用cost,它表示花费金钱或付出代价。它的主语通常是物,宾语是人。如：
The book cost me ten yuan.（=I spent ten yuan on the book.)