— The floor is too dirty. — I know. It _______ for weeks.
People often ____ all sorts of warning signals about their own health.
They ____ me on the way I looked each time they saw me.
I believe this treaty will ____ the way to peace in Europe.
Who will be ______ the company when the manager is out?
The reason ______ he missed this class was quite different from the one ______ you explainedto me.