________ will your grandfather beback to the office?—In half an hour. [ ]

Where is Tom?—I heard him ______ with our English teacher when I passed the teacher’s lounge.

Do you know _______ man in jeans?—Yes. He’s a professor of _______ university.

Ang Lee, a Chinese director, won the Best Director again in his_______ last year. —How great he was! It was his ______ time to win an Oscar.

Taiwan is a beautiful place. It is ____ the southeast of China. [ ]