Question

【题目】—________you interrupt now? Can’t you see I’m on the phone?

Sorry sir, but it’s urgent.

Can

Should

Must

Would

Answer 1

【答案】C

【解析】句意：你现在非要打断吗？你没看到我正在打电话吗？此处考查must表示“偏要；非要”的用法。