1.  I had believes that it was a very hard question which few people could work out.

2.  " I thought I was lucky, because , when I work it yesterday .

3.  Otherwise, I would work it like Cuozongci.

4.  I can't finish all the work.

5.  When we finished the work, the ground had been very cleaned we are too happy , seeing the ground, we can said :we have finished .

6.  Though they are incompleted of their body , they still work hard and study hard.

7.  When he was a child, he had to work in the fields.

8.  The Emperor believed what they had said and gave the cheats some gold in order that they might begin their work at once.

9.  It was very hard work .

10.  we must work hard.