9After the new technique was introduced，the factory produced ________ tractors in 1988 as the year before.
Nowadays, the number of women working in the clothing industry.
| A．is increasing | B．has been increasing |
| C．have increased | D．are increasing |
Although she did not know Boston well，she made her way __________ to the Home Circle Building.
| A．easy enough | B．enough easy |
| C．easily enough | D．enough easily |
Jane has lost weight by going on __________ diet and taking __________ exercise every day.
| A．a；an | B．a；/ | C．/；/ | D．/；an |
It was not until I came here ________ I realized this place was famous for not only its beauty but also its weather.
| A．who | B．that | C．where | D．before |
We observed some young men __________into the building at 11：00 last night.
| A．to slip | B．slipped |
| C．slipping | D．being slipped |