a number of sheep ____ very happy.is 还是 area number of 后应加are 但sheep是不可数名词,怎么加?

a number of sheep ____ very happy.is 还是 area number of 后应加are 但sheep是不可数名词,怎么加? a number of 可以加不可数名词吗?我见过加sheep的 a small number of students后面用is 还是are?a small number of sheep后面用is 还是are?主语到底是谁? 问一道英语奥数题One day,Lily tows（牵）a fat sheep,come to Jim and says: Is there about 100 sheep in your sheepfold? Jim says: if these sheep first adds the same number of sheep,then adds half number of these sheep,next adds one fourth the number of the sheep is ? than 3 million.A largerB moreC smallerD both A and C The number of sheep are getting langer and larger 改错 a number of和a lot of意思和用法是不是一样?m(__)m There a great number of sheep in Salisbury ,and the great number of them ______There_____ a great number of sheep in Salisbury ,and the great number of them ______really wonderful.为什么第一空填are,第二空填is?最好把句子给翻译一 __ the teathers in their school is about 200 and one fourth of them are ___ teathers.A.a number of :women B.a number of :woman C.the number of :women D.the number of:woman the number of,a small number of,a number of. how many studentsin our school are there in your school?__ the students in our chool__over3housand.A the number of,is B the number of,areC a number of,isD a number of,are 请解释原因. a number of the number of The color of a sheep is（ ）. a growing number of a.number.of?用法 a small number of a number of 造句 a number of同义词