问题

______ have you known the city? For five years. [ ]
A: How long
B: How often
C: How many
D: How much
B: How often
C: How many
D: How much
正确答案是:
同类题型
What do you think of math? — I find difficult to learn it.
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It’s _____ hard problem for the twins that ____ of them can work it out.
What does Tom’s uncle do? —He is a teacher. He __________ physics at a school now.
The government of Yancheng is building_________cheap and good houses for the people.