He tried his best, but he couldn’t ________ the college entranceexams last year.

I’m nervous to give a talk before so many people.— _______, Maria. You can do it.

t to know how you react ________ my lecture.—On the whole, it’s very excellent, but I react strongly　________the thoughts on human nature.

He was informed that it was ______who wanted the interview.

With the world changing fast, we have something new ____ with all by ourselves every day.[ ]