1.it is very "difficult" to understand english grammar.
I have __ in understanding English grammar.(n)
2.Don't "move" or i'll shoot!(verb)
Don't make any __ or i'll shoot.(n)
3.The "sun" rises in the East.
It is a __ day,isn't it?(adj)
4.The story is really "interesting".(adj,for things)
I am __ in reading the story.(adj, for people)
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5.Don't "lose" your confidence,you should try again.(verb) Thr police are looking for the __ child.(adj,for people) " "內為間底線 adj=adjective n=noun