Do you think which language is ______, Japanese or English? A. difficult B. the most difficult C. more difficult
Who is running _______ than Mike?
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.