So far, several cases of a disease, ___________as H1N1, are reported to have been found in the country.
| A．knowing | B．to be known | C．having known | D．known |
--- -When did he get his first novel published?
---- It was in 2008 ____ he was still in high school.
| A．that | B．since | C．when | D．w hich |
Nobody can explain the mystery ____ he suddenly disappeared.
| A．why | B．what | C．whether | D．which |
It suddenly___ to me that we could use the computer to do the job.
| A．stroke | B．occurred | C．happened | D．saw |
Though she _______for a moment, she finally went in and asked to see a dress that was in the window.
| A．dared | B．nerved | C．wondered | D．hesitated |
The survey shows that a large number of teenagers are __________cigarettes nowadays.
| A．devoted to | B．related to | C．connected to | D．addicted to |