William is telling his wife Tina that he is leaving for Beijing to attend a business conference. How might she respond to the news? Here’s their conversation.
 Wǒ míngtiān qù Běijīng.
William:我     明天     去   北京。
Nǐ yào qù duō cháng __?
    Tina:你 要    去  多   长___?
Question:
Which one of the following words is correct for the above blank?____
A. 时候 (shíhou)
B. 时间 (shíjiān)



