—John has put forward _______ most challenging question for us to answer.
—Yes, it really is. I have never heard _______ harder one.
| A．the; 不填 | B．不填; the |
| C．the; the | D．a; a |
Having been praised by the teacher, the little girl ran back home, _______.
| A．happily and satisfied | B．happy and satisfied |
| C．eager and excitedly | D．anxiously and excitedly |
-----Are you a journalist?
-----No, but I _______.
| A．was used to | B．used to |
| C．used to be | D．was used to being\ |
_______ the U.S.-China relationship as “the most consequential(重要的)” in the world, U.S. Secretary of State John Kerry called for greater cooperation between the two powers.
| A．Described | B．To describe |
| C．Describing | D．Having described |
Seeing his father’s angry expression on his face, Andy _______ the conversation from one subject to another.
| A．switched | B．concluded |
| C．announced | D．rejected |
If you are to take up the challenge of ice bucket, _______.
| A．I do either | B．so will I |
| C．I will so | D．so do I |