The spaceship flies at 11 kilometres a second.划线提问划线部分at 11 kilometres a second

The first spaceship flies at about eleven kilometers____second.为什么填a呀 The first spaceship flies at about eleven kolimeters(a)second为什么括号里的要这么填? The spaceship flies at 11 kilometres a second.划线提问划线部分at 11 kilometres a second 英语翻译（）spaceship flies at about eleven kilometers ( ) second . ( )spaceship flies at about eleven kilometers( )second.冠词 He(fly,flies)in a spaceship.选择适当的单词 翻译：He flies in a spaceship 快! 十万火急啊!我在线等 LORD OF THE FLIES怎么样 flies, the spaceship landed----恰好 on the beach times chose spaceship one as the Are the flies in the sky? smell,there,that but,day,never,and,take,cold,late,or,suitsome day you may go to the moon.A tall rocket __1__ you into space.The rocket flies a long way to a space station.You will stop ___2__ for short time.Then a big spaceship will take you to the m 英语改变句型：We'll go to the moon by spaceship.对by spaceship怎么提问? He flies the kite high.改为感叹句. 适当形式中：the butterfly flies (beautiful) how fast the time flies!有语病? The ____butterfiy flies ____ (beautiful)怎么做