Everything___ should be ____ be done right now.正确答案为什么是A呢?

Everything___ should be ____ be done right now.正确答案为什么是A呢? What should ____ must ____.A do,do B be done,be done C to be can't be done.should be done.should have done In order to be a man ,what should be done All that is worth ____ should be well done . This should be right的一般疑问句是Should this be right还是Should this I wish everything to be all right.改成同义句 I hope everything___ what should 后面跟 do or be done 为什么 right,that should be no Be you busy right now? All that must be done ____(do).答案是have been done,为什么是这个答案?这句 After a long walk, the old man空格 be tired now这里用should为什么不行?