____ on ten years of observation and study, the story shows that everyone dreams every night, whether they realize it or not.
| A．Basing | B．Based |
| C．Being based | D．Having based |
(2014)All we need a small piece of land where we can plant various kinds of fruit trees throughout the growing seasons of the year.
| A．are | B．was |
| C．is | D．were |
The number of people who ____English as a foreign language __more than 750 million.
| A．learns; is | B．learn; are |
| C．learns; are | D．learn; is |
Right now the writer and manager _____ busy preparing for the following meeting.
| A．is | B．Are |
| C．was | D．were |
It is reported that large amounts of money _____ spent on the cross-sea bridge so far.
| A．was | B．has been |
| C．were | D．have been |
If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
| A．are not observed | B．is not observed |
| C．were not observed | D．was not observed |