This is the small house less than 15 square meters, under _____ roof lives a large family of three generations.
| A．which | B．that | C．its | D．whose |
The police________ him to see if he had a gun.
| A．searched for | B．searched | C．in search of | D．looked for |
I hope, first of all, that we shall never lose _____ heart in face of _____ failure.
| A．the; a | B．the; the | C．不填; 不填 | D．a; 不填 |
In that terrible earthquake, who were killed was more than 60,000.
| A．a large number people | B．the number of people |
| C．a number of people | D．many people |
Because the shop ______, all the T-shirts are sold at half price.
| A．has closed down | B．closed down |
| C．is closing down | D．had closed down |
She still remembers the things and persons they talked about last year.
| A．who | B．whom | C．which | D．that |