These students are _____(most)boys,they ____(main)come from

These students are _____(most)boys,they ____(main)come from Most boys don't wear scarfs,because they think they are ____ Are these his pens?Yes,____ _____.A these are B they are 选哪个 These boys are hard _____(teach) they are most（还是mostly）boys these boys are from England ,and those_______ are from Ameri ( )They come from ____ .They speak_______. ____ of the students come from Shanghai they are ____（so/such） good boys. _____(how/what) clever boy where are these ____ letters come from.(busy)填合适形式 Two of these students are girls,____are boys. who are these boys?they are students____to Class One.