You must attend the meeting ____ at ten o’clock, as it is scheduled—not a minute early or late．

There was such a long queue for coffee at the interval that we_________gave up.

—— Can I help you? —— Well, I’m afraid the box is＿＿＿heavy for you,but thank you all the same. 

The secret of his success is that he does everything___________．

When we think of communication , we _________ think of using words---- talking face to face, writing messages, and so on .