An excellent teacher is believed to be one who devotes (奉献) himself to the children but asks for nothing .

Usually, a mother wolf gives birth to five to seven baby wolves .

Did Jenny clean her house yesterday?—She _______ because she was not quite herself

Jeffery said he to the get-together the next day, but he didn’t．

What do you think of the book written by Mo Yan— Oh, excellent. It is worth ___________ a second time.