--Tom isn’t here now. -- left by the back door? A．Must he have B．Had he C．Can he
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--Tom isn’t here now.
--________ left by the back door?
A．Must he have B．Had he C．Can he have D．Should he have
试题答案
C
--Tom isn’t here now.
--________ left by the back door?
A．Must he have B．Had he C．Can he have D．Should he have
C