Open the bracketsusing Participle Ior Participle II

1.The girl (writing, written)on the blackboard is our best student.

2.The house (surrounding, surrounded)by tall trees is very beautiful.

3.The book (writing, written)by this scientist is very interesting.

4.It was not easy to find the (losing, lost)stamp.

5.I think that the boy (standing, stood)there is his brother.

6.(to do)his homework, he was thinking hard.

7.We listened to the girls (singing, sung)Christmas songs.

8.When we came nearer, we saw two boys (coming, come)towards us.

9.Read the (translating, translated)sentences once more.

10.(to write)in very bad handwriting, the letter was difficult to read.