.This old computer must have been of great use to ____________ did the scientific research.
In communication, a smile is usually __________ strong sign of a friendly and _______ open attitude.
(2011四川卷,18﹚Dr.Peter Spence, headmaster of the school, told us, “ fifth of pupils here go on to study at Oxford and Cambridge.”
(2011全国卷II,16﹚As he reached front door, Jack saw strange sight.
(2011全国卷,33﹚It is generally accepted that boy must learn to stand up and fight like man.
(2011浙江卷,2﹚Experts think that __________recently discovered painting may be ________ Picsso.