it's report that 和a report that区别是啥？ 那有时完型填空到底是填it‘s 还是 a ..

Yes,that's it.Chen Jie is writing a report.这句子里面的,that's it. 英语完形填空A UN report says that the world population will pass s It's report that the weather will ___warm till Friday 是用student‘s还是students’ writer a report about___vacation ( ) is a pencil.Look!It's over there.这里是填this还是that? 是it's surprise that还是it is a surprise that 正确? 1.What's this/that in English?怎样回答?是It's a/an 名词 还是 It's 名词 What‘s that —----- is a ruler.里面该填That还是It 求专家详解 作报告是have a report还是give a report还是make a report :It's a nice day,isn't it?:Yes,it is.But the weather report It's _____(report) that more than 30 people have been injure -Where’s that report -I brought it to you when you were in M