There is only one of the oldest customs that ________ in this district up to now.
| A．was kept | B．were kept |
| C．has been kept | D．have been kept |
It’sgood feeling for people to admire the Shanghai World Expo that gives them pleasure.
| A．不填，a | B．a,不填 | C．the ,a | D．a, the |
---Do you know if Helen is willing to take charge of the project?
--- , does it?
| A．It takes no time | B．It counts for nothing |
| C．It doesn’t hurt to ask | D．It doesn’t make sense |
Later in this chapter cases will be introduced to readers __ consumer complaints have resulted in changes in the law.
| A．where | B．when | C．who | D．which |
Animals suffered at the hands of Man ___ they were destroyed by people to make way for agricultural had to provide food for more people.
| A．in which | B．for which | C．so that | D．in that |
Jack is late again. It is ___ of him to keep others waiting.
| A．normal | B．ordinary | C．common | D．typical |