—._____ you write so well?
—By reading and keeping diaries every day.
| A．How it is that | B．What it is |
| C．How is it that | D．What is it that |
Was it not until you began to write ______ you should have remembered more words?
| A．did you realize | B．that you realized |
| C．did you not realize | D．that you didn't realize |
In his lecture, the professor referred to the belief, in contrast to all other countries, ______ the elderly are wise, ______ is particularly dominant （占优势的） in the Chinese culture．
| A．that; that | B．that; one that | C．which; which | D． that; one |
--- I saw your uncle take a taxi to the airport. Why didn’t you drive him there?
--- I ______. But my car ______.
| A．would; was fixed | B．would have; was fixed |
| C．would have; was being fixed | D．did; was being fixed |
I will be surprised if you can get Calvin, who is very mean, ______ these donation draw tickets from you．
| A．buy | B．buying | C．buys | D．to buy |
As is known to all language learners, newly learnt words will soon be forgotten unless ______ used in everyday communication.
| A．exactly | B．finally | C．gradually | D．frequently |