Though learning gymnastic has been more difficult 这里的has been 是什么用法不是只有 have been dong 和has been done吗?这里的has been 是什么?

关于Learning words though reading的英语作文 求英语翻译:I will continue my learning,though I am tired of learning English急! I enjoy learning English ______ it takes me a lot of time.a unless b though though I enjoy learning English ______ it takes me a lot of time.A.unless B.though C.because D.for he has difficulty in learning english ,,he works hard and A and B but C however D though 72.I enjoy learning English ______ it takes me a lot of time.A.unless B.though C.because D.for全军覆没，为什么？ Though learning gymnastic has been more difficult 这里的has been 是什么用法不是只有 have been dong 和has been done吗?这里的has been 是什么? Though learning gymnastics has been more different for her than for some of her tournaments,Though learning gymnastics has been more different for her than for some of her tournaments, she has never quit.请问这句话怎么翻译,然后请帮忙 to learning learning by learning by learning to learning and 英语翻译Displays are constructed with relevant facts slipped slyly in,as though learning were a bitter pill that must be sugarcoated before the average museum visitor can be induced to swallow it.怎么翻译? 1、Convincing though the above-mentioned point is,someone may still worry about whether learning the “irrelevant” courses would draw their attention away from their study of major knowledge thus lowering their working efficiency.上述句子中w as though as though