Ⅰ.单句填空
1.Toronto has some top tourist attractions,which attract (million) of visitors every year.
2.We tried to find a table for seven,but they were all taken .
3.The thief had himself spotted by the police when he was trying to break the hotel.
4.The age of the corals would make them among the oldest living creatures in (exist).
5.The cherry native America is much more expensive.
