Ⅰ.用所给单词或短语的适当形式填空
planet, however, out, go around, be called
1．Li Ming isn't old but he ____________ Lao Li in his office.
2．As we all know, the earth ____________ the sun.
3．Scientists haven't found life on any other ____________ yet.
4．I have been to Hainan. ____________， I have never been to Sanya.
5．Have you missed your parents since they were ____________ in another city?
