A fire broke out in a commercial mall unexpectedly, ________ the customers and the persons working there fleeing for safety.
| A．making | B．causing | C．forcing | D．sending |
I stayed up late doing my homework yesterday, so I had trouble _____ up early this morning.
| A．get | B．getting | C．got | D．to get |
I’ve already told you that I’m going to buy a new iPad, _____.
| A．how much does it cost | B．however much it costs |
| C．no matter how it costs | D．however does it cost much |
We’re conducting a nationwide survey of people’s reading habits. Would you have five minutes ________ a few questions?
| A．answering | B．to answer | C．to have answered | D．having answered |
The memory of the holiday spent in Europe with her husband will _____ all through her life.
| A．stay | B．live | C．leave | D．impress |
Have you ever dreamed of staging a concert, thousands of people are applauding and appreciating your music?
| A．at which | B．when | C．for which | D．which |