that's easy,Bob is twice as old as jack,so he is now thirty.中的as old as

that's easy,Bob is twice as old as jack,so he is now thirty.中的as old as who is that?A.That's a student B.It's Bob C .This is Bob That schoolbag is Bob'改为同义句That schoolbag is Bob's This book is Bob's.That book is John.These books are_____.如题,A.Bob's and John'sB.Bob's and JohnC.Bob and John's that book is bob's改成复数形式 bob's mom is I think that Bob is easy to get along with,——— ———.改反义疑问句, That() English boy is Bob 填空 1 whose cap is that?it's（ ）.it's bob's. That boy is name is Bob.对Bob提问 That boy is name is Bob.对Bob提问 Engraving is easy and it's freePlease make sure that everything is spelled correctly as your engraved order can't be returned. that's easy 什么意思? That's an easy way yes,but that doesn't mean that writing Chinese is easy for me ____beginners,that language is easy. This book ( ) Bob's.Look!That's his name.This book ( ) Bob's.Look!That's his name.A.may beB.must beC.can't beD.mustn't be说明原因 Poetry is easy,it's the parent—teacher conference that's hard.