While building a tunnel through the mountain, ________ .
| A．an underground lake was discovered |
| B．there was an underground lake discovered |
| C．a lake was discovered underground |
| D．the workers discovered an underground lake |
No one ___ speak of the matter.
| A．dares | B．dare to | C．dared | D．ought |
Here ___ a young lady with two big dogs.
| A．comes | B．come | C．is coming | D．are coming |
If the shoes are too small, buy a bigger ___.
| A．one | B．ones | C．pair | D．that |
His story ___ true.
| A．listened | B．listened to | C．hears | D．sounded |
I’ll never forget the days ____ I spent in Beijing last year.
| A．when | B．on which | C．in which | D．that |