cotton pack complete avoid polish produce introduction surface

（1）Our teacher often gives us some tasks to

complete

complete

after class.
（2）Today，your homework is to

polish

polish

your writing.
（3）Don't be afraid of making mistakes.No one can

avoid

avoid

them.
（4）Australia is the country which

produces

produces

the most wool and meal.
（5）I asked my mother to help me

pack

pack

my bags.
（6）In the

introduction

introduction

he explains why he wrote the book.
（7）This kind of cloth is made from 100%

cotton

cotton

.
（8）Nearly 10 percent of the earth's

surface

surface

is covered in ice.