Larry asks Bill and Peter to go on a picnic with him, but ______ of them wants to, because they have work to do.

Cars do cause us some health problems—in fact far more serious ________ than mobile phones do.

The box is big, but you can carry it because there is _____ in it.

When _____ comes to codes of ethics, I think everyone should strictly obey them.

The book you bought is more expensive than _______.