题目内容
He ________ a worker in a factory, but he ________ a pop star two years ago.
[ ]
A.used to be… has become
B.used to be… became
C.was used to be…becomes
D.was used to being…has become
答案:B
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题目内容
He ________ a worker in a factory, but he ________ a pop star two years ago.
A.used to be… has become
B.used to be… became
C.was used to be…becomes
D.was used to being…has become