问题
选择题
121. I was uncertain of my success. Which of the following can replace the underlined word?
A．willing
B．not sure
C．certainly
D．not certainly
答案
答案：B
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121. I was uncertain of my success. Which of the following can replace the underlined word?
A．willing
B．not sure
C．certainly
D．not certainly
答案：B
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