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7. -The boss wants to talk to you.He seems unhappy with your performance.
   -Oh,I ___be in trouble.I hope he won't fire me.

• A、must
• B、can
• C、should
• D、would

(59)__

11.Bob doesn't look his age.I think he's somewhere＿＿。

• A、in forty
• B、in forties
• C、in his forty
• D、in his forties