The third women’ s conference ______ in the USA this summer talked about women’s rights in the developing countries.
He’s got himself into a dangerous situation ____ he is likely to lose control over the plane.
E-mail, as well as telephone, ______ an important part in daily communication.
It’s high time you had your hair cut; it’s getting _____.
Only when the war was over ____ to his home town.
It ______ be the postman at the door. It’s only six o’clock.