Some so-called climate travelers ________ in one place for a few months and then move on to some other places as the weather changes.
| A．have stayed | B．are staying |
| C．stay | D．stayed |
【2015·浙江】______ a single world can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
| A．Just as | B．Even though | C．Until | D．Unless |
【2015·重庆】If you miss this chance, it may be years ____ you get another one.
| A．as | B．before | C．since | D．after |
【2015·北京】_____the damage is done, it will take many years for the farmland to recover.
| A．Until | B．Unless | C．Once | D．Although |
【2015·北京】You won’t find paper cutting difficult _____you keep practicing it.
| A．even if | B．as long as | C．as if | D．ever since |
【2015·北京】He is a shy man,___he is not afraid of anything or anyone.
| A．so | B．but | C．or | D．as |