There is “r” in the word “art”.A. a B. an C. the
—What a fine day today!—Yes,but it’s a bit ________ than yesterday.
Sorry,we don’t allow ________ in the lecture room.
I think physics is very difficult to learn. Do you ________ me?
We have to stay at home instead of going finishing because it is raining .
—Mum, my little sister is crying all the time. —Mary, be ! She feels sick. You should take good care of her.