Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
| A．what you have learned | B．how what you have learned |
| C．that what you have learned | D．how that you have learned |
Unfortunately, no one knows ________ prevented the rumor from spreading.
| A．what was it that | B．what it was that |
| C．how was it that | D．how it was that |
Many people nowadays refer to themselves as chihuo—people who love to eat and are satisfied and excited when ________ delicious food.
| A．tasted | B．to taste |
| C．tasting | D．having tasted |
The 15:30 train to Sheffield has been called off _______ situations beyond our control.
| A．due to | B．in terms of |
| C．according to | D．in spite of |
April 23 is stated as World Book Day, an important date for literature around the world, _______ Shakespeare was born and died.
| A．where | B．when | C．which | D．what |
Singing with Sun Yang, the swimming champion, face to face is an unforgettable moment, ________ the little girl always treasures.
| A．one | B．this | C．that | D．it |