Use these words and phrases to complete the patterns below.

1. find a cure for CORONA ( a cure for : cách chữa )

2. find the cause of death ( cause of death : nguyên nhân cái chết )

3. discover a way of reducing heart disease ( reduce : làm giảm )

4. discover a link between smoking and heart disease ( a link between : mối quan hệ giữa )

5. find out why malaria is spreading ( find out : tìm ra ; why : lí do tại sao )

6. discover why the plane crashed ( discover : tìm hiểu / khám phá )

7. find out the cause of infertility ( the cause of : nguyên nhân )

8. discover what causes a plants species to die out ( what causes : cái gì đã gây ra )