7. (A). I picked pecans just for you.

　　(B). I met the Chief Justice on the lawn.

　　(C). I finished doing the wrong problem.

　　(D) It rained after I watered the grass.

　　8. (A). He made a commitment to the group.

　　(B). He selected the committee members.

　　(C). He became a member of the committee.

　　(D). He gave his name to the members.

　　答案：

　　DC

　　音频文本:

　　7. It began to rain just as I finished watering the lawn.

　　8. He was named a member of the committee.