Sugar is not an important element in bread , but flour is .
| A．unique | B．essential | C．natural | D．adequate |
________left before the deadline, it doesn't seem likely that John will finish the job.
| A．Though such a short time | B．Because such a short time |
| C．With such a short time | D．As such a short time |
Books are the important records we keep____ man's thoughts, ideas and feelings.
| A．up | B．of | C．for | D．on |
Take a taxi , _____ you'll miss your train .
| A．and | B．if | C．otherwise | D．or |
Sometimes it was a bit boring to work there because there wasn't always ______ much to do.
| A．such | B．that | C．more | D．very |
When is the best time to ____ my employer about an increase in salary?
| A．appeal | B．appreciate | C．applaud | D．approach |