The lecture begins at 9 tomorrow morning .So I have to be at the hall ____8:40 pm. at the latest. A until B after C by D around
—Is the experiment easy? — ________ . I’ll just do my bit.
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
.---Will someone go and get Mr. Black?---He’s already been ___.
__ with such great difficulty, Jack felt at a loss ___.
—Sir, I’d like to take a week’s holiday. —____. We’ re too busy now.