As students, we should work hard and do ________ best to realize our dreams.

下列选项中划线词语不全含有古今异义的一项是（ ）

Do you mind if I record your lecture— ________ Go ahead

New technologies have made ________ possible to turn out new products faster and at a lower cost. [ ]

What do you think of my plan—Sorry. What’s that I_____ about somethingelse.