—________wonderful dictionary it is!Thank you for buying me such a useful present.—I’m glad you like it.
His name is John Brown. You can call him _____.
A little boy wrote____ "U" and___ "n" on the wall.
Bill Gates is from the _________..
含有A字母读音的字母是_________.
下列哪一组字母都能一笔完成_________.