One of the most important questions they had to consider was__________ of public health
—We could invite John and Barbara to the Friday night party. —Yes, ______ ? I’ll give them a call right now.
Jack wasn’t saying anything, but the teacher smiled at him _______he had done something very clever.
A bank is the place ______ they lend you an umbrella in fair weather and ask for it back when it begins to rain.
—Will you marry me?—Sorry, I am not your sort who is always keeping harping on things and trying to _______ others.
It ______ be the postman at the door. It’s only six o’clock.