________ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．Being examined | D．Having been examined |
--- Are your family ready for rafting?
---Yes, I really want my children to experience that they are young.
| A．\ | B．while | C．unless | D．if |
Attention! _________ in the form right now, making sure that every detail supplied is accurate.
| A．Filling | B．Fill | C．To fill | D．Being filled |
It is believed that high achievers are ambitious, hard working, and work toward personal standards of excellence _____ material rewards．
| A．other than | B．or rather | C．rather than | D．or else |
Many people like to talk about generation gaps. I don’t think there isin my family, though.
| A．it | B．some | C．none | D．one |
-- It's so cold! Why are your windows still open? --- Oh, they _______．
| A．aren't closing | B．won't close | C．won't be closed | D．aren't closed |