there are 打头句子改成疑问句什么情况要留are there 在句子里.

there are 打头句子改成疑问句什么情况要留are there 在句子里. there are sixty students in my class.把这句子改成一般疑问句 英语怎样把一个句子改成一般疑问句.如：There are Christmas lights in the tree There are some people in the hospital.(改成一般疑问句) there are some flowers in the vase改成一般疑问句 The students are swimming over there.改成一般疑问句 there are some apples in the fridge.改成一般疑问句 There are fifty students in the class改成一般疑问句 把There are two farns here改成一般疑问句? There are small houses in the village.改成一般疑问句 There are some books on the bed改成一般疑问句 There are some cakes in the case 改成特殊疑问句 THERE ARE FOUR LESSONS INT HE AFTERNOON 改成一般疑问句 there are the rules at my school 改成特殊疑问句 There are apples and pears.(一般疑问句)改成一般疑问句后的and要改成or吗? we should protect the Earth.改成一般疑问句there are （trees and flowers） on the Earth.对括号内句子提问 A.将下列句子改成一般疑问句：1.There are 365 days in a year.2.l have two eggs in my hand. 这个句子怎么改成反义疑问句呢?I don't think there are aliens,( 括号里面应该填什么,请说明理由,