He waited for her to answer, but she did not.

He did not wait for either of them to answer.

I could tell by the look on the side of her face, she was waiting for him to answer.

He didn't even wait for the person on the other end to answer him.

It was akin to waiting for someone to answer the phone.

I can't wait to answer your questions, so please ask anything you like!

The woman insists these are friends just waiting for her to answer the door.

He sat up straight and waited for her to answer.

He got back into the car and drove off without waiting for her to answer.

The Shadow wasn't waiting for one man to answer the other.