The sons and daughters said they never fully appreciated their parents _________ it was too late to tell them.
----Tom, I heard that Mr. Green wasn’t made ______ director of that project. ----Oh, what _____ pity!
Papermaking began in China and from here it _______ to North Africa and Europe.
When I dropped in, his family _______at the table, talking about something.
Do you have any idea______ is actually going on in the classroom?
II. Multiple choices 单选 1’ * 15 = 15’ He ______ some French while he was away on a business trip in Paris.