—Turn off the TV, Jack. ____your homework now?—Mum, just ten more minutes, please.
Xu Beihong is most known ________ drawing horses________an artist.
The book, ________ for beginners,is popular with students.
The little girl can ride a horse and swim, and she can shoot ________.
Our class is________ 60 students while theirs________ 65 students.
________, he came to know how great his mother was.