__ Sally , our monitor , was late for class this morning .
__ _________ ? As far as I know , she never came late for class.
| A．How come | B．what for |
| C．So what | D．Why not |
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 |
__________ you met the foreigner from Canada?
| A．Where it was that | B．Who it was that |
| C．Where was it that | D．Where was that |
It was in the office __________ my sister works __________ I met the new manager.
| A．that; that | B．where; where |
| C．that; where | D．where; that |
—Have you got any particular plans for the coming holiday?
—Yes. __________, I'm going to visit some homes for the old in the city.
| A．If ever | B．If busy | C．If anything | D．If possible |