— Have you handed in your schoolwork yet?— Yes, I have. I guess it ______ now.
Mr. Smith,________of the ________speech,started to read a novel.
It was not until the teacher had explained it three times _______ how to work out the problem.
Only after my friend came ____.
Dickson left his father’s firm and ____business on his own.
There is no doubt _______international cooperation is the key to dealing with cyber crime.