ve to take some necessities such as ropes, aflash, boots, ______ you may get lost in the mountain if going hiking.

When you get the paper back, pay special attention to what.[ ]

It was reported that the government official expressed the deepest ______ to the families of those killed and injured in this attack.

Thousands of people______ after thepowerful earthquake happened in Wenchuan on May 12th.

Green plants breathe_____oxygen in sunlight