Charles Babbage is generally considered ______ the first computer.
| A．to invent | B．inventing |
| C．to have invented | D．having invented |
You made the same mistake forthird time, dropping_____“u” in the word “unusual”.
| A．a, the | B．a, a | C．the, an | D．a, an |
--Hi, is Mary there, please?
---
| A．Hold on, I will get her. | B．Don’t mention her, please. |
| C．Yes, she lives here. | D．Yes, what do you want? |
I paid a visit to the small town last week where I was born, which I hadn’t
visited for years.
| A．Every time | B．Once more | C．On time | D．Now and then |
after having been painting the house all day, James called, saying he
wouldn’t come to our party.
| A．Having tired out | B．Being tired out | C．To be tired out | D．Tired out |
a second time, will the man have one more try?
| A．Turn down | B．If turning down |
| C．To turn down | D．If turned down |