I saw Tom ______ into the classroom without ______.
I’m sure that the teacher’s told you about the your result of the examination. ______ ?
China has recently ______ its waters controls near the Diaoyu Islands to prevent Chinese fishing boats from ______ in the East China Sea.
The chairwoman had her office ______ during her absence, which she’d like to see ______ the following day.
______ the meeting were the managers ______ each department of the company in Jiangsu province.
The new government decided to encourage industries ______ technology, which was ______ biology.