He’s read this book before, ?A. hasn’t he B. doesn’t he C. isn’t.
The people in western countries celebrate by making pumpkin lanterns and wearing special costumes with masks.
There are some dangerous fishes in this river, and I’ve warned Tom here.
In the play,John as a businessman.
Don’t be afraid of new words. You can in the dictionary.
Don’t you know that the scientist for two years?