求5句英语翻译

1 正是这场沙尘暴的后果才使人们充分认识到植树的重要性  （it)

2 我从小学毕业已有5年了  （since) 

3 用不了多久你就能掌握计算机的基本知识 （before)

4 据说人们在网上订购上海2010世博会门票 （it)

5 学习英语几年后许多学说仍然觉得用英语和外国人交流很困难 （feel）

1、考强调句：It is the consequence of  the sandstorm that makes people realize  the significance of    planting trees

2、It  has  been  5years   since  i  graduated  from  primary school.

3、It  won't be long  before you get the hang of these basic knowledge about computers.

4、It is  said that  the tickets of the world  EXPO can be ordered on the internet.

5、Although they‘ve been learning English for many years，students still find it difficult to communicate with foreigners in English.