I think they failed to accomplish the task, ______?

    A．do I        B．don't I    C．did they      D．didn't they

-----I think it _______ to smoke .

 ----- _______.

　 A. was wring; Neither do I 　 B. wrong; So do I

　 C. wrong; So I don’t 　    D. wrong; So I do

—I think it is going to be a big problem.?

—Yes，it could be.?

—I wonder__________we can do about it.?

A.if                      B.how                  C.what                  D.that?

I think we should __________ the cost equally among us.What do you think?

A.divide         B.distribute            C.separate              D.expand

-----I think it _______ to smoke .

------ _______.

　 A. was wrong; Neither do I 　 B. wrong; So do I

　 C. wrong; So I don’t 　      D. wrong; So I do