Dave's ESL Cafe's Student Discussion Forums

[sheller]

Then we were surprised to see _____ Henry took out of a letter a million pounds bank-note.
A. that B . what

[alan.es]

In this sentence without any change , definitely 'that'.

You could use 'what' and retain the position of the complements/objects.

Then we were surprised to see what Henry took out of a (the?) letter was a million pounds bank-note.

Or if you change the positions a little:

Then we were surprised to see that Henry took a million pounds bank-note out of a letter.