Doyouknow________thisafternoon—I’mnotsure,butI’lltellyouassoonasshe________.

Could you please tell me what happened _____? — OkayI know you are really pressed for time right now[ ]

Fluent French and English give me an edgein job hunting _______ fierce competition

It is uncertain ________ side effect the medicine will bring about，although about two thousand patients have taken it．[ ]

olved,the problem of food safety may lead to more serious results