—Did you find the missing couple in the mountain yesterday?—No, but we __________ to get in touch with them ever since.
He left home in 1980 and has never come back ____.
— How about a game of chess? — ____
— Don’t forget to take the message to my teacher. — ____.
— How many students are going to the Great Wall? — ____.
— Shall I help you with the washing ? — No, Mary. I can manage, but ____.