15. Nowadays with the development of science, more and more new technology_______to the fields of IT.
I think you should complain, _____, of course, you are happy with the way things are.
Rescuers had to _____ the search because of worsening weather conditions.
—Are you sure Mike will help us if we are in trouble? — _____. He is a reliable friend.
Nowhere else _____ be able to find a larger display of sea animals, including one of the largest collections of sharks in the world.
It ___ recently that self-funding foreign students are becoming the largest overseas group in China.