单选题
Never ______ to the U. S. A..
A) I have been
B) do I have
C) have I been
D) have I do
A
B
C
D
【正确答案】
C
【答案解析】
[解析] 词首为否定词或含有否定意义的词或词组，如seldom，little，hardly，rarely，never，by no means，on no account．in no case 等时，句子需要部分倒装，即将情态动词或助动词提前到主语之前。例如：Seldom did he do morning exercise before he entered the university．(他上大学前很少晨练。)
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