From the expression on his face she knew something had happened.

From the expression on his face, the answer was no.

From his mother's expression he could see that she knew too.

He could tell from her expression that something was wrong.

From her expression he could tell he'd talked too much.

From his expression, he would want some kind of answer this time.

From her expression they knew at once that she had read the paper.

From the expression on her face, I could tell this was important.

From the expression on her father's face, she knew he felt it also.

From the expression on his face it wasn't working right.