sent, we have come to sense that creativity is______ it takes to keep a nation highly competitive.

When are you going to fly to Taiwan this summer—_________ we finish school. It will be a greatholiday.

It’s a pity that you didn’t come to my birthday party last night.–I’m terribly sorryI ________ for an important lecture

Get up, it’s time _____ school.

It is not how much we learn but how much we understand ______ benefits us so much in our daily life.