Whose trousers are these Are they ______ —No， they are _____.

The boy ______ for her in the rain for nearly half an hour before she appeared.

Prices are going up, life isn’t so easy here as it _____ be.[ ]

In ____ accident _____ knowledge of first aid can make _____ real difference.

Was it there _______ you were away to answer the phone? —There is no doubt about it