What is under the desk?-_________.A.It is a rulWhat is under the desk?-_________.A.It is a rulerB.That is a catC.They are red boxes选哪个?语法是什么?为什么选这个?急,
问题描述：
What is under the desk?-_________.A.It is a rul
What is under the desk?
-_________.
A.It is a ruler
B.That is a cat
C.They are red boxes
选哪个?语法是什么?为什么选这个?急,
答