从A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

1.　　　　　 with the studies of all his students, Mr Johnson went to school as soon as he finished the meeting.

A. Concerning　 　　　　　B. Concerned　

C. To concern 　　　　　　D. Being concerned

5. The hard work was useful enough because I passed the exam.　

The hard work was　　　 because I passed the exam.

提升练习

4. She watched attentively her child’s behaviour.　

She 　　　　her child’s behaviour.

3. She gave birth to a baby boy this morning.　　

She　　　 a baby boy this morning.

2. After the accident, her parents took good care of her until she was better.　

After the accident, her parents　　　 　　　　　　her until she was better.

1.The school looks after the health and happiness of its students.　

The school looks after the 　　　　of its students.

5. Will you please　　　 the third paragraph again for us?

4. The little boy　　　 with great courage in the face of the gunman.

3. The students have great　　　 for their history teacher.

2. The police　　　 a man leaving the room.