—What happened to you on your way back to the hotel last night ?
—I lost my way in complete darkness and , things worse , it began to pour .
| A．making | B．to make | C．having made | D．made |
All of the flowers now raised here have developed from those _______ in the forest.
| A．once they grew | B．they grew once | C．they once grew | D．once grew |
Our company will move to a tall building _______ we worked two years ago.
| A．where | B．when | C．that | D．which |
Our company will move to a tall building _______ has just been complete.
| A．which | B．when | C．how | D．where |
Our company will move to a tall building _______ we bought last month.
| A．which | B．when | C．how | D．where |
She says that she’ll never forget the time ________ she works as a secretary in our company.
| A．which | B．when | C．how | D．where |