II. Cloze Test
       As the saying goes, “Do as the Romans do in Rome.” It is better for travelers to _16_ a country’s culture before they set off on their journey. A positive gesture, for example, can mean something quite different in _17_. It is impolite to nod one’s head in Bulgaria, _18_ shaking one’s head from left to right is a positive one. Also, being familiar _19_ the local culture or tradition is very welcome. Especially, to know something about superstition is _20_. Although there is no scientific proof of these superstitions, showing respect for different cultures can prevent misunderstandings or embarrassments from occurring.
【題組】16.
(A) get used to
(B) be used to know
(C) get used to know
(D) used to know