问题
选择题
—How many times have you been to China?
—In fact, it is the first time I __________ here.
A．was
B．am
C．had been
D．have been
答案
答案：D
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—How many times have you been to China?
—In fact, it is the first time I __________ here.
A．was
B．am
C．had been
D．have been
答案：D