One piece of work of _____ United Nations is to help _____ poor in _____ developing countries.
-We’re going camping this afternoon.--Enjoy yourselves! Take a map with you you get lost in the forest.
--How is your new job ?--Not so good at the moment. I it very much .
As an excellent teacher ,Miss Wang is thought by her students.
Our school has developed a learning system students can do a lot of teamwork.
They have arrived at lunch time but the flight was delayed.