________ a lot of trees in this area, but now we can see a tall building instead.
| A．There used to have | B．There used to be |
| C．There is used to having | D．There is used to being |
-------Did the doctors save the old man？
------- Yes. He _______ on the morning of May 10th. And now he is out of danger.
| A．was operated | B．operated |
| C．operated on | D．was operated on |
My father’s new cell phone can be used _________ e-mails. But he says he isn’t used ________ on such a small screen.
| A．to send, to write | B．for sending, to write |
| C．to send, to writing | D．to sending, to writing |
My plan is _________ the Summer Palace next weekend.
| A．visits | B．visited | C．to visit | D．visit |
--Is your English teacher Mr. Li very patient?
--Yes. He often ________ lots of time ________ to us.
| A．pays, explaining | B．spends, explaining |
| C．takes, explaining | D．costs, explaining |
The father is creative enough __________ so many nice toys for his daughter.
| A．buying | B．to buy | C．making | D．to make |