单项选择题

Questions 17 to 20 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now listen to the passage. When did chewing gum become popular in the United States

A．In 1890.
B．In 1819.
C．In 1870.
D．In 1817.
<上一题 目录 下一题>
热门 试题

单项选择题
What did the Sudanese government promise to do
A．To reinforce law and order.
B．To protect the blacks.
C．To take the weapons away from the Arab militias.
D．To withdraw government troops.
单项选择题
What is the journalist accused of
A．Working for the British newspaper.
B．Objecting to the new media laws.
C．Violating the Zimbabwean laws.
D．Publishing an untrue story.
相关试题