Was it in the train “ Harmony”, ______ is China’s first high-speed one, that John met with his foreign friend?
—I really don't know what I ________yesterday without the bike you lent me.—Glad to have been some help to you.
Here was a nice little present for everyone, with a suitable poem ________ to it.
________ no point in beating around the bush. Let's ________.
—You didn't wait for Mr. Smith last night, did you?—Yes, but we ________. He didn't return home at all.
I remember a _____ famous scientist said that we should believe in ourselves first of all.