A little boy wrote____ "U" and___ "n" on the wall.
| A．a; an | B．an; a | C．an; an | D．a; a |
Bill Gates is from the _________..
| A．UN | B．USA | C．PRC | D．HK |
含有A字母读音的字母是_________.
| A． F | B． H | C． I | D． O |
下列哪一组字母都能一笔完成_________.
| A．ABDE | B．CFLM | C．OLGC | D．XSPU |
— You look nice in this red skirt.
—______.
| A．That’s nice of you. | B．Oh, no. | C．You’re welcome. | D．Thank you. |