.
I don't remember how many years ago ______ people began to grow crops.
| A．it was when | B．it was that | C．was it when | D．was it that |
We’re running out _____________ fuel.
| A．of | B．for | C．/ | D．with |
There’s no doubt2013 will bring more change when the world economy is still unclear.
| A．what | B．that | C．how | D．where |
The girl sitting by the window is the only one of the students who _______ from the countryside in our class.
| A．was | B．were | C．is | D．are |
---How did you do in the test yesterday?
-----Not so well. I ______ much better but I misread the directions for writing.
| A．will have done | B．could have done |
| C．must have done | D．may have done |
It comes as ______ surprise that ______ dream of space travel will soon come true.
| A．a; the | B．the; the | C．the; a | D．a; 不填 |