电力行业培训机构:What have you been doing lately?是什么意思?

What have you been doing lately?是什么意思? What have you been up to?什么意思？ Have you been. How long have you been ____Greener China ? A.with B.at C.from D.through Have you been to New Zealand --No, I`d like to ,__ do you have been qinghai lake? how how long have you been 用法 Hi ,How have you been ? 是什么意思？ Have you ever been to Singapore i have been waiting for you