His grandfather is an_______.He works in Xi'an A.policeman B.engineer C.actress
问题描述：
His grandfather is an_______.He works in Xi'an A.policeman B.engineer C.actress
答
答案是B
解释：冠词是an ,后面的名词应该是以元音开头的词,policeman是辅音音标开头的词,所以应该在B和C中选择.actress的意思是女演员,他的祖父不可能是女演员,所以选择B 他的祖父是一名工程师.