—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
A