Don’t take _____ for granted that your parents should support you all your life.
| A．this | B．that | C．them | D．it |
His sister left home in 1998, and ______ since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
The water ____ cool when I jumped into the pool for morning exercise.
| A．felt | B．is felt |
| C．was felt | D．feels |
The water supply has been cut off temporarily because the workers ____ one of the main pipes.
| A．are repairing | B．have repaired |
| C．repaired | D．had repaired |
The students ____ busily when Miss Brown went to get a book she_____ in the office.
| A．had written, left | B．were writing, has left |
| C．were writing, had left | D．had written, had left |
The fact that so many people still smoke in public places _____ that we may need to do more to raise awareness of the risks of smoking.
| A．suggest | B．suggests | C．suggested | D．suggesting |