Bài 6
1) up
2) down
3) in
4) on
5) in

Bài 6
6) in
7) on
8) at
9) in
10)in

1up
2down
3in
4on
5in
6in 
7on
8at
9in
10in

1 . It is a ruler -> It is rulers.
2. There is a desk in the classroom -> There are desks in the classroom.
3. This is a flower.-> This is flowers.
4. There is a bench in the room -> There are benchs in the room.
5. That is my book -> That is my books.
6. The ruler is on the table -> The rulers is on the table.
8. Is that your student? -> Is that your students?
10. Where is my color pencil? -> Where are my color pecils?
Câu 7 , 9 mik ko bít làm
Học tốt!!