________ with the size of the whole earth, the biggest ocean does not seem big at all.
________ one foot before the other, slowly and purposefully, the deer walked up to ______ I was _______.
This field of scientific research remains________.
The teacher just took down the names of the students _______ during the exam.
______ to get a seat for the concert, he didn’t mind standing in a queue all night.
_____ from other continents for millions of year, Australia has many plants and animals not found in any other country in the world.