1.【英译汉】He visits his parents from time to time.(20分)
2.【英译汉】John is more interested in computers than I am.(20分)
3.【英译汉】A friend suggested I should learn Taiji.(20分)
4.My computer is working. (改为否定句)(20分)
5.The flat costs 500 pounds a month. (用how much对500 pounds提问)(20分)