______ I admit that all these problems are difficult, I don’t agree that they can’t be solved.

It will be quite a long time______she is back again, so don’t be too cross with her.

Then arose the question _________ we were to get so much money.

After _______ had happened he could not continue to work there.

Progress so far has been very good. ______, we are sure that the project will be completed on time.