In nature some animals actively defend the area_____________they depend for the resources.

Teenagers _______ allowed to drive in the street．

Many famous movie stars attended the news briefing (新闻发布会), Jackie Chan and Jet Li. [ ]

The soft music sounds ________. We are all listening _________.

Excuse me. Could you wake me up when my friend _______here?—Of course. But we still don’t know when your friend ______ here.