After _______ wolf-like animal was shot dead in Zoucheng, Shandong province, a villager reported he had lost ______ husky dog he had raised at home.
| A．the; a | B．a; the | C．the; the | D．a; a |
My mom sang this song to me when I was 5 years old. It ______in my heart ever since.
| A．had remained | B．is remained |
| C．has remained | D．has been remained |
She _____ the book sometime in the past as there is no way she could have answered the questions so accurately.
| A．ought to read | B．must have read |
| C．must read | D．should have read |
—Can I buy a Friday’s air ticket for Washington?
—I hate to say this, but there are no tickets ______ for Friday’s flight.
| A．precious | B．vacant |
| C．available | D．accessible |
Marie witnessed everything but it is amazing that she______ have said nothing about the murder.
| A．should | B．may | C．must | D．can |
I am looking forward to the time ______ I can work as a volunteer for the Youth Olympics .
| A．what | B．when | C．which | D．that |