Can [be keen on] [be fond of] [be pleased] [delight] [be in love with] [cherish] [treasure] all used to say "like to do something"? If so, please give me examples to tell me how to use them, if not, tell me when to use them. THank yoU!

What are the differences between [usually] [ordinarily] and [customarily]? Can I use any of them in formal and imformal writings?

I am a boy, who wants to be my boyfriend or girlfriend?

How to pronounce y? y怎么发音? Now let me tell you!