—________ you write so well?
—By reading and keeping diaries every day.
| A．How is it that | B．Is it how that |
| C．How it is that | D．What is it that |
—Haven't I seen you some place before?
—Yes. That's ________ I don't go there anymore.
| A．because | B．how |
| C．why | D．when |
Although he has become wealthy, Mr. Wood remains ________ he used to be, modest and friendly.
| A．when | B．where |
| C．how | D．what |
Mary is a humorous and warmhearted woman and that is ________ she is a most popular person in her community.
| A．whether | B．because |
| C．how | D．why |
Whenever I met her, ______ was fairly often, she greeted me with a sweet smile.
| A．who | B．which |
| C．when | D．that |
Mark drives his car too fast and, what's more, very carelessly, ________ worries his mother.
| A．a | B．what |
| C．it | D．which |
John, ________ money is no problem, still leads a simple life.
| A．for whose | B．of whose |
| C．of whom | D．for whom |
Many college graduates are willing to start online shops to get over the period ________ they have difficulty finding a satisfactory job.
| A．where | B．when |
| C．which | D．that |
(2013·吉林市期末，33)I'm told that languagepractising.com is a free website ________ learners can not just learn various languages but also chat online.
| A．where | B．which |
| C．that | D．what |
Naturally a smile ________ the eyes participate is extremely communicative.
| A．to which | B．in which |
| C．at which | D．with which |