根据所给汉语意思，完成下列各题。 1. 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. 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.