________ he studies hard, he will never pass the examination

Though the situation is rather serious, financial leaders are still ________ about global economy.[ ]

Is that 120? My brother is seriously ill!—OkHelp is _________

Hi, Bob! Can you tell me ______—Sure. The No.5 buswill take you there.

下列词语中加点字的读音完全正确的一组是(　　)