I was （） in my reading, and didn’t at first hear the doorbell ring.

单项选择题What things in life aye you most desirous （） attaining

A. to
B. for
C. with
D. of

单项选择题Finally, let’s （） a critical issue in any honest exploration of our attitudes towards old people, namely the value which our society ascribes to them.

A. stick to
B. turn to
C. lead to
D. take to