—Where ____ Margaret have put the empty bottles?

         —She ______ them away. They must be somewhere.

         A．can; can’t have thrown     B．must; needn’t

         C．must; must have thrown  D．can; must throw

—Where ____ Margaret have put the empty bottles?

—She ______ them away. They must be somewhere.

A．can; can’t have thrown                                B．must; needn’t

C．must; must have thrown                              D．can; must throw

—Where ____ Margaret have put the empty bottles?

       —She ______ them away. They must be somewhere.

       A．can; can’t have thrown    B．must; needn’t

       C．must; must have thrown  D．can; must throw

—Where ____ Margaret have put the empty bottles?

         —She ______ them away. They must be somewhere.

         A．can; can’t have thrown     B．must; needn’t

         C．must; must have thrown  D．can; must throw

---Where ______ Margaret have put the empty bottles?

---She ______ them away. They must be somewhere.

1. A.
   can; can’t have thrown
2. B.
   must; needn’t
3. C.
   must; must have thrown
4. D.
   can; must throw

—Where _______ Margaret have put the empty bottles?

       —She ______ them away. They must be somewhere.

       A．can; can’t have thrown    B．must; needn’t

       C．must; must have thrown  D．can; must throw

----Where _____ Margaret have put the empty bottles?

---- She ______ them away. They must be somewhere.

   A. Must, can’t throw                                  B. can, can’t throw

   C. could, must have throw                            D. can, can’t have thrown

—Where _______ Margaret have put the empty bottles?

　 —She ______ them away. They must be somewhere.

　 A．can; can’t have thrown　　 B．must; needn’t

　 C．must; must have thrown　　　 D．can; must throw

—Where ____ Margaret have put the empty bottles?

　 —She ______ them away. They must be somewhere.

　 A．can; can’t have thrown 　　　　 B．must; needn’t

　 C．must; must have thrown　 　　　　 D．can; must throw

－Where ________ Margaret have put the empty bottles?

－She ________ them away. They must be somewhere.

[　　]

A．can, can't have thrown

B．must, needn't

C．must, must have thrown

D．can, must throw