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