用简单的英语解释下列句子怎么写?
1.The playground is full of students
2.I never succeeded in getting full marks
3.Though Tom always thinks he can catch Jerry,he never has any success
4.The things cost me 600 yuan in total.
5.There are a number of people in the hall
用简单的英语解释下列句子怎么写?用英语解释不是用中文解释