问题
选择题
While _____ to foreigners, you must try to make yourself _____ by using body language if necessary．
A．speaking? understand
B．spoken; understand
C．speaking; understood
D．spoken; understood
答案
答案：C
考查非谓语动词。句中逻辑主语为you，与speak之间为主动关系，故用现在分词。make oneself done宾语与补足语之间为被动，故用过去分词，选C。