1 sharpener->sharpeners
2 subject->subjects
3 have->has
4 much->often
5 on->from
6 not have->don't have
7 time->times
8 much->many
9 và 10 đúng r009f
1, pencil -> pencils
2, what subject-> how many subjects
3, have-> has
5, on-> from
7, time-> times
8, much-> many
1, pencil -> pencils
2, what subject-> how many subjects
3, have-> has
5, on-> from
7, time-> times
8, much-> many