—Do you know who the pen_______? —Sorry ,I don’t know.
We want to know_______.
向别人介绍一位新朋友时,你会说:________
There is _______ “f” and _______ “u” in the word “four”.
--- _______ are you eating?--- I’m eating _______ meat.
I don’t like _______ thrillers _______ playing baseball.