When I opened the door, I found the ground _________ by fallen leaves.

When would it be possible for Lucy to see the judgeor it was—the lawyer—Next week．

Tom can’t find his gloves. Are these blue gloves his —No, they _ be his. His gloves are black.

The old professor travelled from one school to another, _______ first-hand information about the education situation in China. [ ]

Where is North Korea—It lies ______ the northeast of China.