问题
选择题
_ the Smiths will come or not is she is worrying about.[ ]
A. What; that
B. Whether; what
C. If; that
D. How; which
答案
答案：B
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_ the Smiths will come or not is she is worrying about.[ ]
A. What; that
B. Whether; what
C. If; that
D. How; which
答案：B