Ⅰ.单句语法填空
1．Our neighbours gave us a baby bird yesterday that hurt ________ (it)when it fell from its nest.
2．It now has 20，000 hectares of land，more than twothirds of ________ are under cultivation.
3．I don't think he is the best one ________ (do)the work.
4．My teeth are very sensitive ________ cold food.
5．I have arranged for a car ________ (pick)them up at the station.
