sometimes是不是等于now then?

sometimes是不是等于now then? Up till now有这种说法吗?Up till now是不是等于Up to now? now等于? sometimes it rains和it rains sometimes 是不是一样的? My mother is watching TV now.（用sometimes改写） My mother sometimes----- ------- at home from time to time,now and then,sometimes的区别 my sister watching TV now (用sometimes改写) 着急 now and then的近义词是“sometimes”还是“always”? Sometimes Sometimes The whole night等于sometimes=？ not very often等于seldom还是sometimes Th dog sits under the tree.(用now改写句子) 首字母填空have__ friend what makes a great friend why is it sometimes d__ th make friends would you like to talk to a friend if you were w__ or sad?now,i will give you some tips about making friends don'tkeep things to y__.if you are sad about s 括号部分提问 It was (Monday) yesterday.It was (April 12th)He was (excited )yesterday.My mother (had a cold) last week.改句He often swims (just now)Look,he is nstudying English (sometimes)He is going to run this afternoon （Look)She did her h Xiao Kang is a first year college student. He is now in his home village for the summer holidays. A_____ is the hottestr month in Guangdong and it is time for the r______ harvest. He is h____his father every day from morning till n_____. Sometimes th sometimes的同类词?Then的th是啥音?those呢?快,我们英语卷的、 may 5th 1990等于什么