1. It is difficult to __________ one twin from the other.They almost don't __________ from each other.
Between the two parts of the concert is an interval, ___ the audience can buy ice-cream.
___ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.
When ___ help, one often says”Thank you” or”It is very kind of you”.
The villager acting as our ___, we enjoyed our visit very much
Only if you are ___ about your future, you can achieve your aim.So, don’t lose heart but cheer up.