An ________ boy, Li Wen, works hard and gets good grades in his final exam.
eighteen-year-olds
eighteen-year-old
eighteen years old
Which sign means “No photos”?
—________ do you spell “book”? —B-O-O-K.
Liza speaks English very well,_______she doesn’t know Chinese.
There are _______ students in our class, twenty-two boys and eighteen girls.
—What’s this in English?? —It’s _______ orange.