Don't _____ the news to the public until we give you the go-ahead (许可，准许).
| A．release | B．discard | C．relieve | D．retain |
It was on National Day __________ I visited Shanghai Expo.
| A．that | B．which | C．who | D．when |
Was it in the village __________ he was born __________ the talented journalist met the retired professor?
| A．that; where | B．where; which |
| C．which; where | D．where; that |
It wasn't until nearly a month later __________ I received the manager's reply.
| A．since | B．when | C．as | D．that |
It was __________ he came back from school today __________ he found his new book missing.
| A．when; then | B．not; until |
| C．not until; that | D．only; when |
It was only when I reread his poem recently __________ to appreciate its beauty.
| A．that I began | B．did I begin |
| C．I began | D．until I began |