单项选择题
A．a great effect on everyone's intelligence B．same effect on most persons' intelligence C．some effect on a few persons' intelligence D．no effect on most persons' intelligence
A．It was Tom who suggested that I open the bottle. B．I opened it easily without any help. C．I put it between my knees and began to pull. D．The guests gave me many helpful suggestions.
A．I should give him nothing. B．Tom liked the gift very much. C．I should buy him a bottle of champagne. D．I would make the champagne shower everybody.