—You seem to show interest in cooking.—What?_________, I’m getting tired of it.
—Will Jane join in our party tonight?—Yes, but I’d rather she _____.
These trees must have been planted three years ago, _____?
Never should we forget the anti-Japanese war and sufferings _____ caused to people.
—So you are having a good time in China, David?—Yes, We _______ ourselves since we came here last week.
It was really moving that the young man, having little money himself, ______ buy those poor children school things each term.