That person must have been surprised when the substance passed the test.

VOA: special.2010.02.09

This woman's rejection must have been painful for Mister Schulz.

VOA: special.2009.10.25

Bull Run must have been a fearful sight.

VOA: special.2009.07.26

It must have been a military officer's coat.

VOA: special.2010.06.12

The old man's terror must have been extreme!

VOA: special.2009.05.16

So I am sure the American intelligence also must have been aware of his whereabouts and movements.

VOA: standard.2009.09.15

"The Germans must have been sleeping, and we were thankful for that."

VOA: standard.2009.06.02

For example, they must have left school or been in trouble with the law.

VOA: special.2009.08.20

He says more than 400 schools have been damaged or destroyed and must be rebuilt.

VOA: standard.2009.09.25

They must have kept him under surveillance for a while." U.S.officials have been quoted as saying the operation Monday was launched when it became clear their target was traveling in an area away from heavy population.

VOA: standard.2009.09.15