There are five people in their parents ,their sister and ---这里用them/they这里用them还是they,为什么?

There are thirty-five there are twenty-five是什么意思? There are five people in the office?对Five提问 There are five boats in the river.[用five提问] there are five eggs .改为对five提问 There are five books in the bookcase.对five提问 there are five apples in the box对 five 提问 There are five restaurants in china town 以 five 提问 There are five students in our school 怎样问,回答才是There are five there are thirty-five students in my There are ( five )hens.刮号内提问 （there are five） 的提问句? There are five oceans on the earth. There are five rats behind the hat. there are five knifes 翻译中文是什么意思 there are five g_____ in our class,five boys and five girls in each one there are five swings in the garden.对there aer five swings提问怎么答