32. ---I can’t see words on the blackboard clearly .---Why, your eyes need _____ .Perhaps you need ______ glasses .
— When would it be possible for Lucy to see the judge or it was—the lawyer? —Next week.
I listened to Dr.Wilson's lecture about the protection of wild animals, but I was unable to grasp its key.
Water, _____ we cannot live, exists in the form of liquid, gas or solid.
It still remains a question _____ life exists on any other planet in the solar system.
The old lady likes to keep things in the house, _____ throw them away, though many are useless.