There are ninety in the small school.Forty from them are boys and fifty are girls.这句话哪里错了

Ninety doctors are in the hospital对Ninety提问 there are ninety-nine teachers in their school 按照这样写肯定句,一般疑问句,怎么写 there are many children in the playground the number of them is between ninety and one hundred there are ninety-nine plums 打古代一个名人 There are ninety in the small school.Forty from them are boys and fifty are girls.这句话哪里错了 英语作文改错,跪求高手解答,（同学作文中的错误,老师让改正）1. There are about ninety percent international conferences is held in English.2. With the integration of the world have been strengthened, English is bec There are ninety boys on the playground,the girls are half of the boys.how many boysand girls arethere on the playground In nineteen ninety-nine 啥意思 there are there (l ) in our city that there are boats there in the There are there people in my f_____ There are ( )day in January. three ninety-nine是什么意思?The strawberries are three ninety-nine a box这一句话中的“three ninety-nine是什么意思呢? How many letters are there in the worid?There are( ). There are many apples in the basket,are there?改错 ( ) bowls are there in the cupboard.There are seven About ninety percent of the air here are clean改错 there are there buses in the street. there busesthere are there buses in the street.there buses 画线提问