He can hardly understand what the teacher has said, ________.

________ pollution control measures are expensive, local governments hesitate to adopt them.

Our products are displayed in Stand B22, ________ you will find me during office hours.

This couple of two daughters, ________ of whom is working in the U.S.

I was very tired. Otherwise, I ________ to the theatre with you.

Had you come five minutes earlier, you ________ the train to Birmingham. But now you missed it.

On hearing the news of ________ the examination, the boy was very happy.

They found the conditions there ________ .

The girl was standing by the sea, her long hair ________ in the breeze.

He had been having trouble ________ a hotel room.

The point is worth ________ .