题目内容：

 

1.She continued to care for her father ________ to the time of his death.

2.If you have time, pay a visit ________ the local museum.

3.I tried to lead the discussion back ________ the main issue.

4.________ exams approaching, it’s a good idea to review your class notes.

5.He had to buy a new sofa for his son to sleep ________.

6.Bob told Jess he wanted to share his life ________ her.

7.Some animals have a remarkable ability to adapt ________ changing environments.

8.Community schools provide good quality education______ children who would ________ have no opportunity to attend school.

9.You can use the cars ________any special occasion.

10.Walking is beneficial ________ our health.