All the students are talking and laughing in the classroom and it’s _______.

A. noisy???? B. lonely???? C. strict?????? D. quiet

— All the students are working hard now.

—_______. Because all of them want to go to good colleges.

A．So are they        B．Neither they are    C．So they are        D．So they do

All the students are talking and laughing in the classroom and it’s______ .

A．noisy             B．lonely            C．quiet             D．strict

All the students are cleaning. ________ are cleaning the floor,  and ________ are cleaning the desks.  

A. Some; the other      B. Any; others   C. Some; the others    D. Some; other

All the students are talking and laughing in the classroom and it’s _________.