—I’m sorry, but the manager isn’t here yet. Shall I have him call you when he comes back?—No, I’ll call him later. If I call again in half an hour, do you think he ____?
---This passage is difficult for me. Could you please explain it to me? ---I’m afraid I have to say sorry, but the book is ________ my understanding.
I know a little bit about Italy as my wife and I __________ there several years ago.
_______ opening ceremony of the 28th Beijing Olympic Games really gave the world _________ big surprise.
Between the two generations, it is often not their age, _________ their education that causes misunderstanding.
He studied very hard all the time because he didn’t want to __________in his studies.