@Mưa~
@xin 5*+ 1 cảm ơn+ ctlhn nghen~
@Chúc bạn học tốt~
I.
1. played.
2. didn't eat.
3. watching.
4. to learn.
II.
1. librarian.
2. impression.
3.
4.
III.
1. The final exam has to be taken by all the students.
2. Mary asked me who you are talked to when I have problems.
3. Unless someone waters this tree, it will die soon.
4. We haven't met since years.
5. Tam didn't finish her work as quick as I.
6. Although the snow was heavily, the explorers managed to walk to the village.