---Peter, you set down the result of the experiment, ___________? ---Oh, yes, but I need to find my pen first.
Jenny works hard as usual and it has___.She got the first in the final exam again .
In our university there are several big parks ____we students can go to enjoy the beautiful scenery.
Yesterday I had a word with the CEO of the company, ___ who used to teach at Beijing University.
Never before______ so highly successful in his attempts to forecast the weather accurately on a small scale.
Measures __________at the meeting yesterday must be taken to ________Influenza A from spreading all over the nation. A referring to; prevent B refering to; protect C referred to; prevent Drefered to; protected