the earth, Mars is too cold and Venus is fartoo hot _______ there to be any life.

Let’s play computer games _______ a while.

We should know that we can only reach the top if we are ready to ________ and learn from failure.[ ]

Car lovers often organize field sports inour country. It is an activity that they ______ without the benefits of a car.

For a moment nothing happened.Then ________ all shouting together.