He intends to apply for _______ permit from the government to export goods of ______ high quality to Russia.
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 __________.
__________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.