Fill in the blanks using the following expressions.
1. burden
2. pawn
3. graze
4. species
5. pleaded

1. The animals tend to _____ in a herd.
2. She _____ (= beg) with him not to go.
3. I don't want to _____ you with my problems.
4. There are about 30 000 _____ of fish in the world.
5. All her jewellery was in _____.

Answer key
1. graze
2. pleaded
3. burden
4. species
5. pawn