what's that under the desk?

what's that under the desk? What's that under the desk?Let's go and （　）a look.Oh,( ) a w what's under the desk?和what's it under the desk?区别 What is under the desk? What's that on the desk? the,What's,that,desk,on? under it,s desk the练成一句话. What's under the desk?回答：(A.)It'sXXX (B.)There'sXXX what's on the desk? What"s under the sofa? What ( ) under the desk?There ( ) some boxes,but there ( ) a is ,under ,teacher's desk,lt,the连词成句