Jack, could you help me ________ these pictures on the blackboard? It may help us know more about the hazy weather. (雾霾) — With pleasure.

There are ______________ birds there in the sky.

The population of the world ____ still ____ now.

When she saw me, she did’t stop. She just walked _____.[ ]

We can hardly believe his excuse for his late show _______ his car broke down halfway.