________ is it ? —It’s about 10 minutes’ walk.[ ]

These days my classmates are busy ________ ready for the final exam.

This pair of shoes ____ belong to Jack. He likes this kind very much.—It ____ be his. It’s too large for him.

They are talking_____ the phone. [ ]

This is ________ one-eyed sick animal that needs ________ X-ray.