问题
选择题
— Where is David?
— I think he ______ Australia. [ ]
A. has gone to
B. has been
C. has gone
D. has been to
答案
答案：A
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— Where is David?
— I think he ______ Australia. [ ]
A. has gone to
B. has been
C. has gone
D. has been to
答案：A