If you work hard and never __________, you will learn maths well.
The weather in Beijing is colder than in Guangzhou.
The number of the students in our school ______ 260, and a number of them ______ from the countryside.
---When will the plane arriveShanghai? --- the morning of March 13th .
The English story is very easy for me. There are new words in it.
When you are doing reading exercises, it is a good idea to the questions before you read the articles. .