题目内容：

 

1.The mailman d___________ mails twice a day in this area.

2.Recently plenty of rice grown in that country has been e _________ to many other countries.

3.The bird was caught in the net and was s___________ to get free.

4.He is a f________ as an artist, but a success as a teacher.

5.If we work with a strong will, we can o________ any difficulty, no matter how great it is.

6.We shouldn’t be unhappy about being b ________ off — many families are much poorer than we are.

7.I am c______________ that you’ll succeed as long as you keep on trying.

8.T________ to his timely help, we were able to arrive before it was completely dark.