---- It is the second time that I _________ to Shanghai.
----- What great changes! It’s ten years since I _______ there last time.
A.have been; went
B.had been; went
C.am; had been
D.come; had been
答案:A
---- It is the second time that I _________ to Shanghai.
----- What great changes! It’s ten years since I _______ there last time.
A.have been; went
B.had been; went
C.am; had been
D.come; had been
答案:A