根据所给汉语意思，完成下列各题。
1. 吴老师随时准备帮助他的学生。
Mr. Wu is ready to help the students ________ ________ ________.
2. 我学好英语挺费劲。
I have great ________ ________ English.
3. 仔细看看这幅画吧，它近乎完美。
________ a close look at the painting, it's nearly ________.
4. 吴先生气喘吁吁地跑到警察局。
Mr. Wu ran to the police station ________ ________ ________.
5. 汽车正以每小时80公里的速度在公路上行驶。
The car is moving ________ ________ ________ of 80 kilometers per hour on the road.
6. 这是如此艰苦的工作，我不能准时完成。
It is ________ hard work ________ I can't finish it on time.
7. 玛丽不知道怎样解决她的问题。
Mary doesn't know ________ to ________ her problem.
8. 一些人看不起盲人是错误的。
It is wrong that some people ________ ________ ________ blind people.
