Question

【题目】—I pressed the button just now, but no copies came out.

—The machine _______ well. You must have made an error in operation.

A. runsB. ran

C. had runD. has run

Answer 1

【答案】A

【解析】

考查时态。句意——我刚才按了按钮，但是没有打印出来。——这台机器运转良好，你一定是操作有误。表示事物的属性和状态用一般现在时，故A项正确。