【单选题】
His handsome look, elegant taste, manners of gentleman, and ( ) knowledge in history and economy all intoxicated his pupils.
【单选题】
At the end of every term a schoolmaster____ on each of his pupils.
【单选题】
He put all his things [] his suitcase.
【单选题】
Sam, having forgotten to save his work [] lost all of his revisions when his computer crashed.
【单选题】
In all his songs the great composer expresses a longing ________ his own country.
【单选题】
As a teacher of elementary school, you should be patient ____ those pupils.
【单选题】
His explanation is not at all clear. I find it ____.
【单选题】
—______ model plane is this?—I think its Jims. Look,his name is on it.
【单选题】
2.At night, he _______ me all his secrets.
【单选题】
__________, the knowledge economy has become the major characteristic (特征) of the national economy of most developed countries.