Ⅰ.用适当的关系词填空
1．Some of the roads were flooded, ________ made our journey more difficult.
2．Mr. King, ________ legs were badly hurt, was quickly taken to hospital.
3．Yesterday I bought a dictionary, ________ cost me more than 100 yuan.
4．Mr. Smith, ________ gave a talk several months ago, will come again.
5．My uncle has come back from abroad, ________ I haven't met for a long time.
