选出最符合句意的一个单词.
1 I want to run away, but my ( ) bothers me.
a.pang b.remedy c.rust d.conscience

2 A boy who is filled with ( ) always works hard.
a.vapor b.ambition c.harness d.burend

3 He doesn't work in the office any longer; he ( ) from his job several years ago.
a.retired b.retained c.strained d.resumed

4 Her letter ( ) us how and when she expected to arrive.
a.faded b.blessed c.informed d.managed

5 I gave him my old text-books and received a dictionary in ( ).
a.exchange b.preparation c.proposal d.proportion

答案:   d; b; a; c; a;