—The hall___ for international conferences is of great importance—I see, and we are sure to complete it on time
So hard ______ that we had to wait another day.
I walked in our garden, ______ Tom and Jim were tying a big sign onto one of the trees.
―Do you know where David is? I couldn’t find him anywhere. ―Well. He ______ have gone far — his coat’s still here.
______ in a white uniform, he looks more like a cook than a doctor.
We have made ______ clear that we are strongly against smoking in the office.