题目内容
【题目】
After 15 years in the USA, he has finally decided to American citizenship.
A. concentrate on
B. apply for
C. look out for
D. appeal to
【答案】B
【解析】句意:他在美国15年以后,终于决定申请美国国籍了。apply for申请;concentrate on集中精力于;look out for小心;appeal to呼吁,吸引。
练习册系列答案
相关题目