—Where _____ Mary have put the empty bot
题型:选择题
问题:
—Where _____ Mary 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; mustn’t have thrown
—Where _____ Mary 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; mustn’t have thrown