. Only when class began ______that he had left his book at home．
| A．will he realize | B．he did realize | C．did he realize | D．had he realized |
The winner of the Nobel Prize in Literature 2012, Mo Yan , said he did not have high for winning． Actually, he thought he only had a slim chance to win．
| A．assumption | B．expectation | C．satisfaction | D．impression |
He was faced with the of whether or not to return to his country after he got the doctor's degree in America．
| A．situation | B．circumstance | C．environment | D．dilemma |
-- Would she mind playing against her former teammates?
-- __ She is willing to play against any tough players.
| A．I think so. | B．I'm not surprised. | C．Of course. | D．Not likely! |
On Sundays there were a lot of children playing in the park, _______ parents seated together joking.
| A．their | B．whose |
| C．which | D．that |
—Some Chinese students find it difficult to understand native speakers when in London.
—Exactly, ______ they’ve learned a lot about grammar and known many words.
| A．if only | B．now that |
| C．even if | D．as if |