It shocked me to see ______ my neighbors treated their children.
Have you considered how weak humans area volcano, hurricane or earthquake?
-Sorry, I couldn’t find the suitable shoes you need. -.
rise in carbon dioxide is causingsteady increase in global warming.
We should get prepared for dealing with ________problems_________.
---You’ve read the Frog by Moyan,haven’t you? ---Yes,I_______second time and I got a better understanding.