You can call me 0510-82234567 or e-mail me [email protected] on, at B. at, onC. by,

You can call me 0510-82234567 or e-mail me [email protected]
A. on, at
B. at, on
C. by, on
D. on, on

(答案→)A. on, at B. at, onC. by, onD. on, on解析：考查固定短语call sb at+电话号码和e-mail sb at+邮箱名称。

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