this is their second day to visit China.请问这句话里的序数词前面可不可以加 定冠词the.谢谢!

this is their【】【love】son this is their clasroom.it is ( ) this的适当形式 this is their two children 为什么用this is? 1.This is their classroom(同义句) this is their (two)english lesson Where is your classroom?It's on____floor.A.two B.secon C.the second 理由. Same is wrong I not to be able to violate secon中文翻译怎么翻译? This is their school的同义句是什么 改错：This is their plans for the weekend. This is their house的同义句是什么我急, this is their f lesson , so they are very excited this is their mother 该句子 意思不变 另起一句 this is their way to express__(friendliness,friendship,friendly) Is this their kite?的答句（肯定答句) —Mary came _____ in the Math exam.—This is _____ time she got the best mark.A.first,second—Mary came _____ in the Math exam.—This is _____ time she got the best mark.A.first,second B.the first; the secondC.first; the second D.the first; secon how to write this java programthe question is:The height of an object dropped from a starting height of 100 meters is govern by the equation h=100-4.9*t^2 where t is the time in seconds.Write a program that asks the user for a time less than 20 secon 牛津英语深圳版的同义句...1.Henlen is blind and deaf.2.Dogs can help the people who cannot see.3.We don't allow children under 3 years old to go in.4.The manager then described John's room to him.5.We do not allow pets in this hotel.6.Secon 英语翻译a:Excuse me.Is there a bookshop near here?b:Yes.Go along this road ,and take the first turning on the left,and the second turning on the right,it's next to the Blue Sky Hotel on the right ,across from the restaurant.a:First left,and secon