【题目】为下列句子选择最佳答语。
(______)1.Let’s clean our classroom.
(______)2.What colour is your new pen?
(______)3.What’s in your desk?
(______)4.Where is your book?
(______)5.How many keys do you have?
A. It’s blue and red.
B. It’s in my desk.
C. Sure.
D.I have four keys.
E. Ten books and a pencil box.