–How many students are there in the classroom?

-__________. They are all in the lab.

A. Some　　　　 B. None　　　　　 C. All　　　　　 D. Neither

 –How many students are there in the classroom?

   --__________. They are all in the lab.

 A. Some         B. None            C. All            D. Neither

 –How many students are there in the classroom?

--__________. They are all in the lab.

—How many students are there in the classroom?

—_________. They are all in the lab.

A. Some B. None C. All D. Neither

---How many students are there in the classroom?

---______. They are all in the lab.

1. A.
   Some
2. B.
   None
3. C.
   All
4. D.
   Neither