问题补充：
—When can I use your computer?
—Never! should you touch it.
A. At no time
B. At some time
C. At any time
D. At one time
答案：
(答案→)A. At no time
B. At some time
C. At any time
D. At one time
解析：考查词组辨析：A. At no time 绝不，B. At some time在某些时候，C. At any time在任何时候，D. At one time曾经，一度，从后面的should you touch it可知这句话用了倒装句，所以选择一个否定意义的词组at no time，句意：---我什么时候可以用你的电脑？--不行，你绝不能碰它。选A。
