The patient’s son asked the doctor the question________his father could survive the big operation.
| A．whether | B．if | C．that | D．what |
The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
My friend Jack has just sent me an e-mail, _______ me about his travels around the world.
| A．tells | B．told | C．telling | D．to tell |
In the near future, more advances in the robot technology _______ by scientists.
| A．are making | B．are made | C．will make | D．will be made |
Our parents always tell us to believes in we do if we want to succeed.
| A．why | B．how | C．what | D．which |
The doctor advised Lisa strongly that she should take a holiday but _______ didn’t help.
| A．it | B．which | C．what | D．this |