Can you keep a secret?—You ________ worry—I’m not going to mention it to anyone.

How wonderfully Jim is swimming in the pool！—It ______ be Jim. I am not sure.

My ink has_____. Can you spare me some, please? —Of course. Here you are.[ ]

依次填入下列各句横线处的词语，恰当的一组是（ ）（1）他的研究成果解决了十多亿人的吃饭问题，令世人为之 。（2）九月十六日是全国科普日，在北京科技馆，机械人乐队 的表演，令现场观众兴奋不已。（3）实际上，进补必须按照人体“缺啥补啥”的原则，绝对不能胡乱进补，否则 对人体无益， 可能带来危害。

He was fortunate ____ he did not get injured in the car accident.