填空：______ has Tom been a member of Greener China since he _______ to China?选项：A.how soon,comesB.how often,gotC.how long,came.D.how far,arrived
问题描述：
填空：______ has Tom been a member of Greener China since he _______ to China?
选项：
A.how soon,comes
B.how often,got
C.how long,came.
D.how far,arrived
答
how long ,came
前面一个问的是多久,所以是 how long
因为空格前有 since ,代表 past tense ) ,并且强调 Tom 来到 中国多久,所以填 came