—The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?—____ my students have a try?
That lecture on genetic medicines—I had no idea what he was saying; it’s all Greek to me.
John’s employer had less and less work for him. John could read the handwriting on the wall and looked for another job.
The government yesterday revealed how the taxman will take the lion’s share of North Sea’s oil profits.
Every morning Mr. Smith takes a ______ to his office.
How wonderful! The _____is made of _________.