I wonder how much you charge for your service— The first two are free ______ the third costs $30

Professor Zhang’s new theory is excellent.—That’s right. But I fear that is something you will not find easy to _____ to the audience.

s speech, he said that it was his primary school teachers that he was fond of ________ influenced his whole life.

―We all like Miss Wang.―I agree with you. She always makes you ____________.

Sorry,I’m not feeling well and I don’t think I can finish.-Don’t worry. Let us do it for you,_____?[ ]