The police tried to get some clues from the suspect, but he remained______.
We didn’t know you were in trouble at that time, _____ we would have lent you the money.
I’ve finished much of the work. Could you please finish ______ in two days?
There was a terrible noise _____ the sudden burst of light.
Do you consider _____ any good doing many scientific experiments?
When he failed to beat John, he felt he had _____ his friends.