Some animals carry seeds from one place to another, ______ plants can spread to new places.
Nobody but a few little boys __________ in the garden now.
Would you please keep silent? The news that the milk contains a harmful chemical __________ and I want to listen.
les __________ before the guests arrive.
The __________ look on his face showed that he had enough confidence in himself.
From his __________ expression (表情), we know the meeting is __________.