Liu Ming is said abroad for one year before he came to teach in our school.
A society was set up to __________ the endangered animals and plant life from dying out in this area.
A number of students _______ said they were forced to practice the piano.
---- Can I sit in the front row?----Yes, you can take ________ seat you like.
Its hard to ________ the green beans from the red ones, because there are too many of them.
Never before _______ seen anybody who can play tennis as well as Robert.