______ to reach them on the phone, we sent an email instead.
| A．Fail | B．Failed |
| C．To fail | D．Having failed |
The fire caused thousands of pounds' ________of damage.
| A．worth | B．price | C．value | D．prize |
It took a long time for the connection between body temperature and illness________.
| A．to make | B．to be made | C．making | D．being made |
It was just a ________remark - I wasn’t really serious.
| A．usual | B．casual | C．formal | D．normal |
This is a very special flower and it can ________a strong sweet perfume at night.
| A．give out | B．give up | C．give in | D．give over |
The engineer has spent one year working in the US and discovered how things ________overseas.
| A．manage | B．promote | C．operate | D．allocate |