— Where is Mr. Wang?— He is not here. He must _______ the students’ papers in the office.
Some smoking and alcoholic drinks are a (n) ______ taste and are not inborn.
Whatever he explained, he couldn't ______ the policeman that he was innocent.
It ______ ,for there is no one that can be relied on.
The final examination is coming up soon. It's time for us to ______ our studies.
The local people ______ building the new hotel because of the great cost.