单项选择题
A．The plane is taking off soon. B．There might be a traffic jam. C．The taxi is waiting for them. D．There is a lot of stuff to pack.
A．They can’t immediately get back the money paid for their medical cost. B．They have to go through very complicated application procedures. C．They can only visit doctors who speak their native languages. D．They may not be able to receive timely medical treatment.
A．They are usually adopted from distant places. B．Their birth information is usually kept secret. C．Their birth parents often try to conceal their birth information. D．Their adoptive parents don’t want them to know their birth parents.