16. ----It’s getting dark, but Mr. Johnson is still at his office. ----No surprise. Who else can _____ he does?
Recently we held a discussion about what we shall use for power when all the oil in the world has _________?
From their ________ on the top of the TV Tower, visitors can have a better view of the city.
The play next month aims mainly to reflect the local culture.
Anyone ______ trying to take knives on board flights would be caught by the police.
—May I speak to your manager Mr.Williams at five o’clock tonight? —I’m sorry. Mr. Williams ________ to a conference long before then.