Not all parts of the interior (腹地) of Australia are easily _____, because it is very hot and not many people live there.

When _____whether the work should be finished at once, he said ____ was no need.

It is said that the gravity on Mars is only aboutofthe gravity on earth.

She was so __________to me that I recognized her voice the moment I picked up the phone.

下列字母中含有相同音素的一组是______.